Postretirement Benefit Plans - Summary of Changes in Pension Benefit Obligations and Defined-Benefit Pension Plan Assets (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan, Roll Forwards [Abstract]
Service cost	$ 12	$ 15	$ 18
Interest cost	18	8	6
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at end of year	213
Plans with assets less than accumulated benefit obligation (including unfunded plans)
Fair value of plan assets	87	84
Accumulated benefit obligations	459	407
Pension Plan
Defined Benefit Plan, Roll Forwards [Abstract]
Projected benefit obligation at beginning of year	537	730
Service cost	12	15
Interest cost	18	8
Actuarial (gains) and losses	47	(146)
Curtailments and settlements	0	0
Benefits paid	(21)	(19)
Exchange rate differences	12	(51)
Projected benefit obligation at end of year	605	537	730
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	202	222
Actual return on plan assets	9	(5)
Employer contributions	20	22
Curtailments and settlements	0	0
Benefits paid	(20)	(19)
Exchange rate differences	2	(18)
Fair value of plan assets at end of year	213	202	222
Funded status	(392)	(335)
Classification of the funded status is as follows
–   Prepaid pension cost within non-current assets	8	14
–   Accrued pension cost within other non-current liabilities	(388)	(339)
–   Accrued pension cost within accrued liabilities	(12)	(10)
Total	(392)	(335)
Accumulated benefit obligation for all Company-dedicated benefit pension plans	576	509
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Total AOCI at beginning of year	17	175
Net actuarial loss (gain)	43	(145)
Exchange rate differences	0	(13)
Total AOCI at end of year	$ 60	$ 17	$ 175