Long-Term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Total including debt due within one year	$ 30,922	$ 14,836
Debt due within one year	(2,345)	(4,012)
Fair market value adjustment for debt acquired in the Noble and Hess acquisitions	649	529
Reclassified from short-term debt	9,941	8,250
Unamortized discounts and debt issuance costs	(45)	(14)
Finance lease liabilities	659	546
Total long-term debt	39,781	20,135
Long-term Debt, Fiscal Year Maturity [Abstract]
2025	2,345
2026	5,723
2027	4,752
2028	1,567
2029	5,350
Thereafter	$ 11,185
Notes \| Notes due 2026
Debt Instrument [Line Items]
Interest rate	2.954%
Total including debt due within one year	$ 2,250	2,250
Notes \| Notes due 2027
Debt Instrument [Line Items]
Weighted average interest rate	3.594%
Total including debt due within one year	$ 5,000	2,000
Notes \| Notes due 2027 \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate	1.018%
Notes \| Notes due 2027 \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate	8.00%
Notes \| Notes due 2028
Debt Instrument [Line Items]
Weighted average interest rate	4.762%
Total including debt due within one year	$ 4,700	600
Notes \| Notes due 2028 \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate	3.85%
Notes \| Notes due 2028 \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate	5.875%
Notes \| Notes due 2029
Debt Instrument [Line Items]
Weighted average interest rate	5.872%
Total including debt due within one year	$ 1,567	500
Notes \| Notes due 2029 \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate	3.25%
Notes \| Notes due 2029 \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate	7.875%
Notes \| Notes due 2030
Debt Instrument [Line Items]
Weighted average interest rate	3.955%
Total including debt due within one year	$ 5,350	1,500
Notes \| Notes due 2030 \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate	2.236%
Notes \| Notes due 2030 \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate	5.50%
Notes \| Notes due 2033
Debt Instrument [Line Items]
Interest rate	7.125%
Total including debt due within one year	$ 540	0
Notes \| Notes due 2035
Debt Instrument [Line Items]
Weighted average interest rate	4.909%
Total including debt due within one year	$ 1,650	0
Notes \| Notes due 2035 \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate	4.85%
Notes \| Notes due 2035 \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate	4.98%
Notes \| Notes due 2040
Debt Instrument [Line Items]
Weighted average interest rate	5.152%
Total including debt due within one year	$ 1,043	293
Notes \| Notes due 2040 \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate	2.978%
Notes \| Notes due 2040 \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate	6.00%
Notes \| Notes due 2041
Debt Instrument [Line Items]
Weighted average interest rate	5.696%
Total including debt due within one year	$ 1,646	397
Notes \| Notes due 2041 \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate	5.60%
Notes \| Notes due 2041 \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate	6.00%
Notes \| Notes due 2043
Debt Instrument [Line Items]
Interest rate	5.25%
Total including debt due within one year	$ 330	330
Notes \| Notes due 2044
Debt Instrument [Line Items]
Interest rate	5.05%
Total including debt due within one year	$ 222	222
Notes \| Notes due 2047
Debt Instrument [Line Items]
Weighted average interest rate	5.569%
Total including debt due within one year	$ 687	187
Notes \| Notes due 2047 \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate	4.95%
Notes \| Notes due 2047 \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate	5.80%
Notes \| Notes due 2049
Debt Instrument [Line Items]
Interest rate	4.20%
Total including debt due within one year	$ 237	237
Notes \| Notes due 2050
Debt Instrument [Line Items]
Weighted average interest rate	2.763%
Total including debt due within one year	$ 1,750	1,750
Notes \| Notes due 2050 \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate	2.343%
Notes \| Notes due 2050 \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate	3.078%
Notes \| Notes due 2075
Debt Instrument [Line Items]
Interest rate	3.722%
Total including debt due within one year	$ 154	0
Notes \| Notes due 2025
Debt Instrument [Line Items]
Total including debt due within one year	$ 0	4,012
Notes and Debentures \| Notes and Debentures due 2031
Debt Instrument [Line Items]
Weighted average interest rate	7.484%
Total including debt due within one year	$ 734	102
Notes and Debentures \| Notes and Debentures due 2031 \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate	7.30%
Notes and Debentures \| Notes and Debentures due 2031 \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate	8.625%
Notes and Debentures \| Notes and Debentures due 2032
Debt Instrument [Line Items]
Weighted average interest rate	4.944%
Total including debt due within one year	$ 2,083	183
Notes and Debentures \| Notes and Debentures due 2032 \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate	4.50%
Notes and Debentures \| Notes and Debentures due 2032 \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate	8.625%
Debentures \| Debentures due 2097
Debt Instrument [Line Items]
Interest rate	7.25%
Total including debt due within one year	$ 60	60
Loans \| Bank loans due 2026 to 2028
Debt Instrument [Line Items]
Weighted average interest rate	5.46%
Total including debt due within one year	$ 532	193
Loans \| Bank loans due 2026 to 2028 \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate	2.448%
Loans \| Bank loans due 2026 to 2028 \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate	8.04%
Loans \| Term loans and credit facility borrowings
Debt Instrument [Line Items]
Weighted average interest rate	7.32%
Total including debt due within one year	$ 367	0
Loans \| Term loans and credit facility borrowings \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate	7.25%
Loans \| Term loans and credit facility borrowings \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate	8.136%
Medium-Term Note \| Medium-term notes, maturing from 2033 to 2038
Debt Instrument [Line Items]
Weighted average interest rate	5.786%
Total including debt due within one year	$ 20	$ 20
Medium-Term Note \| Medium-term notes, maturing from 2033 to 2038 \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate	3.688%
Medium-Term Note \| Medium-term notes, maturing from 2033 to 2038 \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate	7.84%

CHEVRON CORP 10-K