Employee Benefit Plans - Summary Of Defined Benefit Pension Plans' Assets Fair Value (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Total assets	$ 510	$ 540	$ 514
Cash equivalents and short-term investments
Defined Benefit Plan Disclosure [Line Items]
Total assets	20	24
U.S. equities
Defined Benefit Plan Disclosure [Line Items]
Total assets	59	88
Non-U.S. equities
Defined Benefit Plan Disclosure [Line Items]
Total assets	44	63
Government bonds
Defined Benefit Plan Disclosure [Line Items]
Total assets	57	1
Corporate bonds
Defined Benefit Plan Disclosure [Line Items]
Total assets	198	185
Other assets
Defined Benefit Plan Disclosure [Line Items]
Total assets	132	179
Level 1
Defined Benefit Plan Disclosure [Line Items]
Total assets	254	264
Level 1 | Cash equivalents and short-term investments
Defined Benefit Plan Disclosure [Line Items]
Total assets	8	12
Level 1 | U.S. equities
Defined Benefit Plan Disclosure [Line Items]
Total assets	49	73
Level 1 | Non-U.S. equities
Defined Benefit Plan Disclosure [Line Items]
Total assets	29	40
Level 1 | Government bonds
Defined Benefit Plan Disclosure [Line Items]
Total assets	9	1
Level 1 | Corporate bonds
Defined Benefit Plan Disclosure [Line Items]
Total assets	159	138
Level 1 | Other assets
Defined Benefit Plan Disclosure [Line Items]
Total assets	0	0
Level 2
Defined Benefit Plan Disclosure [Line Items]
Total assets	197	215
Level 2 | Cash equivalents and short-term investments
Defined Benefit Plan Disclosure [Line Items]
Total assets	12	12
Level 2 | U.S. equities
Defined Benefit Plan Disclosure [Line Items]
Total assets	10	15
Level 2 | Non-U.S. equities
Defined Benefit Plan Disclosure [Line Items]
Total assets	15	23
Level 2 | Government bonds
Defined Benefit Plan Disclosure [Line Items]
Total assets	48	0
Level 2 | Corporate bonds
Defined Benefit Plan Disclosure [Line Items]
Total assets	39	47
Level 2 | Other assets
Defined Benefit Plan Disclosure [Line Items]
Total assets	73	118
Level 3
Defined Benefit Plan Disclosure [Line Items]
Total assets	59	61
Purchases	2	11
Level 3 | Cash equivalents and short-term investments
Defined Benefit Plan Disclosure [Line Items]
Total assets	0	0
Level 3 | U.S. equities
Defined Benefit Plan Disclosure [Line Items]
Total assets	0	0
Level 3 | Non-U.S. equities
Defined Benefit Plan Disclosure [Line Items]
Total assets	0	0
Level 3 | Government bonds
Defined Benefit Plan Disclosure [Line Items]
Total assets	0	0
Level 3 | Corporate bonds
Defined Benefit Plan Disclosure [Line Items]
Total assets	0	0
Level 3 | Other assets
Defined Benefit Plan Disclosure [Line Items]
Total assets	$ 59	$ 61