Financing and Leases - Schedule of Shares Used to Compute Diluted Earnings Per Share (Details) - shares shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Debt Disclosure [Abstract]
As reported shares (in shares)	1,097	1,092	1,096	1,092
Effect of stock-based compensation (in shares)	6	7	6	6
Diluted (in shares)	1,103	1,099	1,102	1,098