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Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Supplemental Cash Flow Elements [Abstract]
Interest paid	$ 454	$ 335
Net income taxes paid	727	700
Treasury stock purchases settled after the balance sheet date	39	47
Software obtained under financing arrangements	513	96
Hardware obtained under financing arrangements	70	0
Right-of-use assets obtained in exchange for lease liabilities - operating leases	23	33
Right-of-use assets obtained in exchange for lease liabilities - finance leases	$ 214	$ 58

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

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