Share-Based Compensation and Other Compensation Arrangements - Schedule of Restricted Stock Units Award Activity (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Weighted average remaining amortization period (years)	6 years 10 months 24 days
Long-Term Incentive Program
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of units, outstanding at beginning of year (in shares)	5,349,490
Number of units, granted (in shares)	2,174,064
Number of units, forfeited (in shares)	(312,242)
Number of units, distributed (in shares)	(870,741)
Number of units, outstanding at end of year (in shares)	6,340,571
Number of units, undistributed and vested (in shares)	897,643
Unrecognized compensation cost | $	$ 353
Weighted average remaining amortization period (years)	1 year 8 months 12 days
Other
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of units, outstanding at beginning of year (in shares)	765,510
Number of units, granted (in shares)	176,483
Number of units, forfeited (in shares)	(28,197)
Number of units, distributed (in shares)	(348,366)
Number of units, outstanding at end of year (in shares)	565,430
Number of units, undistributed and vested (in shares)	33,550
Unrecognized compensation cost | $	$ 37
Weighted average remaining amortization period (years)	1 year 7 months 6 days