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Long-term Corporate Debt and Borrowing Arrangements - Schedule of Long-Term Debt (Detail) - USD ($) $ in Millions	Dec. 31, 2025	May 31, 2025	Dec. 31, 2024	Oct. 31, 2024	Sep. 30, 2024	Feb. 29, 2024	Nov. 30, 2023	Jul. 31, 2023	Mar. 31, 2022	Mar. 31, 2021	Aug. 31, 2020	Jul. 31, 2019
Debt Instrument [Line Items]
Other	$ 45		$ 20
Deferred financing fees	(56)		(60)
Total	6,073		5,393
Less: Short-term debt and current portion of long-term debt	24		20
Long-term debt	$ 6,049		5,373
Senior Notes \| 5.750% Senior Notes
Debt Instrument [Line Items]
Debt instrument interest percentage	5.75%	5.75%									5.75%	5.75%
Long-term debt	$ 645		740
Senior Notes \| 4.750% Senior Notes
Debt Instrument [Line Items]
Debt instrument interest percentage	4.75%								4.75%	4.75%
Long-term debt	$ 500		500
Senior Notes \| 7.000% euro-denominated Senior Notes
Debt Instrument [Line Items]
Debt instrument interest percentage	7.00%					7.00%
Long-term debt	$ 705		621
Senior Notes \| 5.375% Senior Notes
Debt Instrument [Line Items]
Debt instrument interest percentage	5.375%									5.375%
Long-term debt	$ 600		600
Senior Notes \| 8.250% Senior Notes
Debt Instrument [Line Items]
Debt instrument interest percentage	8.25%				8.25%		8.25%
Long-term debt	$ 700		700
Senior Notes \| 7.250% euro-denominated Senior Notes
Debt Instrument [Line Items]
Debt instrument interest percentage								7.25%
Long-term debt	$ 705		622
Senior Notes \| 8.000% Senior Notes
Debt Instrument [Line Items]
Debt instrument interest percentage	8.00%						8.00%
Long-term debt	$ 498		497
Senior Notes \| 8.375% Senior Notes
Debt Instrument [Line Items]
Debt instrument interest percentage	8.375%	8.375%
Long-term debt	$ 600		0
Loans Payable \| 8.250% Senior Notes
Debt Instrument [Line Items]
Debt instrument interest percentage				8.25%
Loans Payable \| 8.000% Senior Notes
Debt Instrument [Line Items]
Debt instrument interest percentage							8.00%
Loans Payable \| Floating Rate Term Loan
Debt Instrument [Line Items]
Long-term debt	$ 1,131		$ 1,153
Other Long-Term Debt \| Minimum
Debt Instrument [Line Items]
Weighted average interest rate	5.35%
Other Long-Term Debt \| Maximum
Debt Instrument [Line Items]
Weighted average interest rate	5.61%