Shareholders' Equity - Accumulated Other Comprehensive Income (Loss) - Components and Changes of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ (1,559)	$ (1,488)	$ (2,043)	$ (2,088)
Other comprehensive loss before reclassifications, net of taxes	(29)	(84)	122	34
Amounts reclassified into income, net of taxes	13	12	11	11
Ending balance	(1,575)	(1,559)	(1,910)	(2,043)
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1,067)	(987)	(1,251)	(1,292)
Other comprehensive loss before reclassifications, net of taxes	(21)	(80)	78	41
Amounts reclassified into income, net of taxes	0	0	0	0
Ending balance	(1,088)	(1,067)	(1,173)	(1,251)
Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(563)	(574)	(774)	(784)
Other comprehensive loss before reclassifications, net of taxes	0	0	0	0
Amounts reclassified into income, net of taxes	11	11	11	11
Ending balance	(552)	(563)	(763)	(774)
Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	73	75	(17)	(10)
Other comprehensive loss before reclassifications, net of taxes	(8)	(4)	44	(7)
Amounts reclassified into income, net of taxes	2	1	0	0
Ending balance	$ 67	$ 73	$ 28	$ (17)