Supplier and Vendor Financing Programs (Supplier Financing) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Supplier Finance Program, Obligation [Roll Forward]
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration]	Accounts payable and accrued liabilities	Accounts payable and accrued liabilities
Supplier Financing Program [Member]
Supplier Finance Program, Obligation [Roll Forward]
Confirmed obligations outstanding at the beginning of year	$ 2,844	$ 2,869
Invoices received/extended	15,510	12,496
Invoices paid	(15,856)	(12,521)
Confirmed obligations outstanding at the end of year	$ 2,498	$ 2,844
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration]	Accounts payable and accrued liabilities	Accounts payable and accrued liabilities
Direct Supplier Financing Program [Member]
Supplier Finance Program, Obligation [Roll Forward]
Confirmed obligations outstanding at the beginning of year	$ 5,442	$ 5,486
Invoices received/extended	15,831	17,376
Invoices paid	(15,001)	(17,420)
Confirmed obligations outstanding at the end of year	$ 6,272	$ 5,442
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration]		Accounts payable and accrued liabilities	Accounts payable and accrued liabilities