Segment Information - Equity Earnings, Capital Expenditures and Depreciation and Amortization Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Equity earnings:
Equity earnings	$ 119	$ 79	$ 127
Capital expenditures:
Capital expenditures:	432	617	688
Depreciation and amortization expense:
Depreciation and amortization	479	486	483
Reportable segment totals
Equity earnings:
Equity earnings	118	104	124
Capital expenditures:
Capital expenditures:	415	608	680
Depreciation and amortization expense:
Depreciation and amortization	463	465	462
Retained Corp Costs and Other
Equity earnings:
Equity earnings	1	(25)	3
Capital expenditures:
Capital expenditures:	17	9	8
Depreciation and amortization expense:
Depreciation and amortization	16	21	21
Americas \| Reportable segment totals
Equity earnings:
Equity earnings	93	70	59
Capital expenditures:
Capital expenditures:	199	354	459
Depreciation and amortization expense:
Depreciation and amortization	295	296	296
Europe \| Reportable segment totals
Equity earnings:
Equity earnings	25	34	65
Capital expenditures:
Capital expenditures:	216	254	221
Depreciation and amortization expense:
Depreciation and amortization	$ 168	$ 169	$ 166