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Debt - Debt (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Senior Notes	$ 1,584	$ 1,764
Other debt	129	70
Total Debt	1,713	1,834
Less current portion	5
Long-term debt	1,708	1,834
Senior Notes, Interest at 3.95% Payable Semiannually, Principal Due on December 1, 2042 [Member]
Debt Instrument [Line Items]
Senior Notes	1,090	1,089
Senior Notes, Interest at 3.60% Payable Semiannually, Principal Due on December 1, 2029 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 494	493
Senior Notes, Interest at 2.60% Payable Semiannually, Principal Due on December 1, 2022 [Member]
Debt Instrument [Line Items]
Senior Notes		$ 182

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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