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Cash Flow Information (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Supplemental Cash Flow Elements [Abstract]
Interest paid	$ 1,237	$ 983
Net income taxes paid	1,240	1,015
Treasury stock purchases settled after the balance sheet date	0	39
Software obtained under financing arrangements	554	96
Hardware obtained under financing arrangements	202	0
Right-of-use assets obtained in exchange for lease liabilities - operating leases	32	74
Right-of-use assets obtained in exchange for lease liabilities - finance leases	$ 763	$ 197

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Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

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