Aggregate Debt Maturities (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Debt Disclosure [Abstract]
2022	$ 2
2023	2
2024	1,590
2025	1,002
2026	402
Thereafter	1,942
Debt principal outstanding	4,940
Deferred financing costs	(31)
Unamortized discounts, net	(18)
Total debt	$ 4,891	$ 5,541

Amount of short-term and long-term debt and lease obligation.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt discount (premium).

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