Comprehensive Income And Accumulated Other Comprehensive Income - Reclassification out of AOCI (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Loss pursuant to the divestiture of MAKS	$ (9)	$ (14)	$ 0
Other non-operating income (expense), net	46	20	19
Total before income taxes	2,229	1,810	1,672
Provision for income taxes	(452)	(381)	(352)
Net income	1,777	1,429	1,320
Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Net income	(7)	(32)	(4)
Currency translation adjustment losses | Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Loss pursuant to the divestiture of MAKS	0	(32)	0
Net income	0	(32)	0
Losses on cash flow hedges | Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Provision for income taxes	1	0	0
Net income	(2)	0	0
Losses on cash flow hedges | Reclassification out of Accumulated Other Comprehensive Income | Interest rate contract
Derivative Instruments, Gain (Loss) [Line Items]
Other non-operating income (expense), net	(3)	0	0
Gains on net investment hedges | Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Total before income taxes	1	3	0
Provision for income taxes	0	(1)	0
Net income	1	2	0
Gains on net investment hedges | Reclassification out of Accumulated Other Comprehensive Income | Cross currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Other non-operating income (expense), net	1	0	0
Gains on net investment hedges | Reclassification out of Accumulated Other Comprehensive Income | FX forwards
Derivative Instruments, Gain (Loss) [Line Items]
Other non-operating income (expense), net	0	3	0
Pension and other retirement benefits | Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Total before income taxes	(8)	(3)	(5)
Provision for income taxes	2	1	1
Net income	(6)	(2)	(4)
Amortization of actuarial losses and prior service costs included in net income | Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Other non-operating income (expense), net	(6)	(3)	(5)
Accelerated recognition of loss due to settlement | Reclassification out of Accumulated Other Comprehensive Income
Derivative Instruments, Gain (Loss) [Line Items]
Other non-operating income (expense), net	$ (2)	$ 0	$ 0