Comprehensive Income And Accumulated Other Comprehensive Loss - Changes in Components of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance			$ 2,519
Ending balance	$ 3,191		3,191
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(570)	$ (599)	(643)	$ (410)
Other comprehensive income/(loss) before reclassifications	(82)	(150)	(8)	(361)
Amounts reclassified from AOCL	0	1	(1)	23
Other comprehensive income/(loss)	(82)	(149)	(9)	(338)
Ending balance	(652)	(748)	(652)	(748)
Pension and Other Retirement Benefits
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(48)	(46)	(47)	(49)
Other comprehensive income/(loss) before reclassifications	1	0	1	2
Amounts reclassified from AOCL	(1)	1	(2)	2
Other comprehensive income/(loss)	0	1	(1)	4
Ending balance	(48)	(45)	(48)	(45)
Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(45)	(46)	(45)	(47)
Other comprehensive income/(loss) before reclassifications	0	0	0	0
Amounts reclassified from AOCL	1	0	1	1
Other comprehensive income/(loss)	1	0	1	1
Ending balance	(44)	(46)	(44)	(46)
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(577)	(756)	(736)	(335)
Other comprehensive income/(loss) before reclassifications	(176)	(343)	(17)	(784)
Amounts reclassified from AOCL	0	0	0	20
Other comprehensive income/(loss)	(176)	(343)	(17)	(764)
Ending balance	(753)	(1,099)	(753)	(1,099)
Net Investment Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	100	249	185	21
Other comprehensive income/(loss) before reclassifications	93	193	8	421
Amounts reclassified from AOCL	0	0	0	0
Other comprehensive income/(loss)	93	193	8	421
Ending balance	$ 193	$ 442	$ 193	$ 442