Employee Retirement Plans - Schedule of Change in Fair Value of Level 3 Assets for Defined Benefit Plan (Details) - Pension Plan - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Domestic pension benefits
Defined Benefit Plan, Roll Forwards [Abstract]
Fair value of plan assets at beginning of year	$ 2,760	$ 2,683
Fair value of plan assets at end of year	2,842	2,760
International pension benefits
Defined Benefit Plan, Roll Forwards [Abstract]
Fair value of plan assets at beginning of year	405	381
Fair value of plan assets at end of year	362	405
Mortgages | International pension benefits
Defined Benefit Plan, Roll Forwards [Abstract]
Fair value of plan assets at beginning of year	43
Fair value of plan assets at end of year	33	43
Insurance contracts | International pension benefits
Defined Benefit Plan, Roll Forwards [Abstract]
Fair value of plan assets at beginning of year	195
Fair value of plan assets at end of year	167	195
Other | International pension benefits
Defined Benefit Plan, Roll Forwards [Abstract]
Fair value of plan assets at beginning of year	12
Fair value of plan assets at end of year	16	12
Level 3 | International pension benefits
Defined Benefit Plan, Roll Forwards [Abstract]
Fair value of plan assets at beginning of year	250
Fair value of plan assets at end of year	216	250
Level 3 | Private equity | Domestic pension benefits
Defined Benefit Plan, Roll Forwards [Abstract]
Fair value of plan assets at beginning of year	0	24
Actual return on plan assets relating to assets still held at the reporting date		(12)
Actual return on plan assets relating to assets sold during the reporting period
Asset (sales) purchases		(12)
Fair value of plan assets at end of year	0	0
Level 3 | Real estate | Domestic pension benefits
Defined Benefit Plan, Roll Forwards [Abstract]
Fair value of plan assets at beginning of year	3	7
Actual return on plan assets relating to assets still held at the reporting date
Actual return on plan assets relating to assets sold during the reporting period
Asset (sales) purchases	(1)	(4)
Fair value of plan assets at end of year	2	3
Level 3 | Mortgages | International pension benefits
Defined Benefit Plan, Roll Forwards [Abstract]
Fair value of plan assets at beginning of year	43	42
Actual return on plan assets relating to assets still held at the reporting date	2	1
Actual return on plan assets relating to assets sold during the reporting period
Asset (sales) purchases	(12)
Fair value of plan assets at end of year	33	43
Level 3 | Insurance contracts | International pension benefits
Defined Benefit Plan, Roll Forwards [Abstract]
Fair value of plan assets at beginning of year	195	192
Actual return on plan assets relating to assets still held at the reporting date
Actual return on plan assets relating to assets sold during the reporting period
Asset (sales) purchases	(1)	3
Change in insurance contract valuation	(27)
Fair value of plan assets at end of year	167	195
Level 3 | Other | International pension benefits
Defined Benefit Plan, Roll Forwards [Abstract]
Fair value of plan assets at beginning of year	12	11
Actual return on plan assets relating to assets still held at the reporting date
Actual return on plan assets relating to assets sold during the reporting period
Asset (sales) purchases	4	1
Fair value of plan assets at end of year	$ 16	$ 12