Leases - Operating and Finance Lease Liability Reconciliation (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Leases [Abstract]
Total operating lease liabilities	$ 95,609	$ 90,777
Total finance lease liabilities	12,794	14,106
Gross lease liabilities	108,403	104,883
Imputed interest - operating leases	(15,932)	(15,138)
Imputed interest - finance leases	(1,975)	(1,997)
Imputed interest	(17,907)	(17,135)
Present value of operating leases	79,677	75,639
Present value of finance leases	10,819	12,109
Present value of lease liabilities	$ 90,496	$ 87,748
Operating lease liability, current, location	Accrued expenses and other	Accrued expenses and other
Finance lease liability, current location	Accrued expenses and other	Accrued expenses and other
Current portion of operating lease liabilities	$ (9,301)	$ (8,419)
Current portion of finance lease liabilities	(1,393)	(2,032)
Current portion of lease liabilities	$ (10,694)	$ (10,451)
Operating lease liability, long-term, location	Total long-term lease liabilities	Total long-term lease liabilities
Finance lease liability, long-term, location	Total long-term lease liabilities	Total long-term lease liabilities
Total long-term operating lease liabilities	$ 70,376	$ 67,220
Total long-term finance lease liabilities	9,426	10,077
Total long-term lease liabilities	$ 79,802	$ 77,297