Income Taxes - Additional Information (Detail) - USD ($) $ in Millions		1 Months Ended	12 Months Ended
	Dec. 31, 2017	Sep. 30, 2018	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2017	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Revision of estimated repatriation tax liability resulting from tax reform legislation	$ 247	$ 236
Reduction in estimated repatriation tax liability resulting from tax act						$ 11
Excess tax benefits from stock compensation			$ 31
Excess benefits from resolution of certain UTPs			70
Decrease to uncertain tax positions			25
Valuation allowance			18	$ 15	$ 9		$ 5
Unrecognized tax benefits			388	483	477		$ 495
Uncertain tax positions if recognized would impact the effective tax rate			353
Net interest expense on UTPs			21	34	28
Interest accrued on UTPs			$ 59	$ 113	$ 82