v3.25.4

SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Supplemental Cash Flow Information [Line Items]
Income Taxes Paid, Net	$ 264	$ 423	$ 428
Interest Paid, Including Capitalized Interest, Operating and Investing Activities	271	226	135
Cash paid for operating leases	120	102	76
Cash paid for finance leases for financing activities	45	41	33
Cash paid for finance leases for operating activities	17	10	6
Right-of-use assets acquired under operating leases	223	84	104
Right-of-use assets acquired under finance leases	85	196	61
Cash and cash equivalents	345	321
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	407	369	1,623	$ 1,107
Continuing Operations
Supplemental Cash Flow Information [Line Items]
Cash and cash equivalents	345	321	1,560
Restricted Cash	8	8	8
Discontinued Operations
Supplemental Cash Flow Information [Line Items]
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Discontinued Operation	$ 54	$ 40	$ 55

Payments For Finance Lease, Payments, Operating Activities

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Supplemental Cash Flow Information [Line Items]

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Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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Owens Corning 10-K