Pension And Other Retirement Benefits - Summary of Changes in Benefit Obligations and Fair Value of Plan Assets for Post-Retirement Plans (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Change in benefit obligation:
Interest cost	$ (17)	$ (16)	$ (19)
Amounts recorded on the consolidated balance sheets:
Pension and retirement benefits asset – non current	40	77
Pension and retirement benefits liability – current	(7)	(7)
Pension and retirement benefits liability – non current	(189)	(235)
U.S. Plans | Pension Plans
Change in benefit obligation:
Benefit obligation, beginning of the period	(570)	(663)
Service cost	(14)	(19)	(17)
Interest cost	(15)	(14)	(17)
Plan participants’ contributions	0	0
Benefits paid	20	68
Actuarial (loss) gain	1	(6)
Assumption changes	116	64
Benefit obligation, end of the period	(462)	(570)	(663)
Change in plan assets:
Fair value of plan assets, beginning of the period	544	528
Actual return on plan assets	(111)	34
Benefits paid	(20)	(68)
Employer contributions	7	50
Plan participants’ contributions	0	0
Fair value of plan assets, end of the period	420	544	528
Funded status of the plans	(42)	(26)
Amounts recorded on the consolidated balance sheets:
Pension and retirement benefits asset – non current	39	74
Pension and retirement benefits liability – current	(5)	(5)
Pension and retirement benefits liability – non current	(76)	(95)
Net amount recognized	(42)	(26)
Accumulated benefit obligation, end of the period	(432)	(524)
U.S. Plans | Other Retirement Plans
Change in benefit obligation:
Benefit obligation, beginning of the period	(48)	(48)
Service cost	(4)	(4)	(3)
Interest cost	(1)	(1)	(1)
Plan participants’ contributions	(1)	(1)
Benefits paid	2	2
Actuarial (loss) gain	0	(3)
Assumption changes	13	7
Benefit obligation, end of the period	(39)	(48)	(48)
Change in plan assets:
Fair value of plan assets, beginning of the period	0	0
Actual return on plan assets	0	0
Benefits paid	(2)	(2)
Employer contributions	1	1
Plan participants’ contributions	1	1
Fair value of plan assets, end of the period	0	0	$ 0
Funded status of the plans	(39)	(48)
Amounts recorded on the consolidated balance sheets:
Pension and retirement benefits asset – non current	0	0
Pension and retirement benefits liability – current	(2)	(1)
Pension and retirement benefits liability – non current	(37)	(47)
Net amount recognized	$ (39)	$ (48)