Borrowings - Schedule of Debt (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Other long term debt and adjustments	$ (339)	$ (298)
Short-term commercial paper borrowings	0	4,338
Total debt	42,503	33,644
Less current portion	(1,635)	(5,117)
Long-term debt	40,868	28,527
Floating-Rate Notes
Debt Instrument [Line Items]
Long-term debt	$ 750
Variable rate	53.00%
Notes due 2025
Debt Instrument [Line Items]
Long-term notes, gross	$ 0	778
Notes due 2025 \| Minimum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	2.75%
Notes due 2025 \| Maximum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	7.125%
Notes due 2026
Debt Instrument [Line Items]
Long-term notes, gross	$ 1,632	1,529
Notes due 2026 \| Minimum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	1.625%
Notes due 2026 \| Maximum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	5.00%
Notes due 2027
Debt Instrument [Line Items]
Long-term notes, gross	$ 2,516	2,516
Notes due 2027 \| Minimum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	3.10%
Notes due 2027 \| Maximum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	5.50%
Notes due 2028
Debt Instrument [Line Items]
Long-term notes, gross	$ 3,256	442
Notes due 2028 \| Minimum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	0.45%
Notes due 2028 \| Maximum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	4.55%
Notes due 2029
Debt Instrument [Line Items]
Long-term notes, gross	$ 3,077	3,076
Notes due 2029 \| Minimum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	0.42%
Notes due 2029 \| Maximum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	4.50%
Notes due 2030
Debt Instrument [Line Items]
Long-term notes, gross	$ 2,132	779
Notes due 2030 \| Minimum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	2.125%
Notes due 2030 \| Maximum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	4.75%
Notes due 2031 - 2040
Debt Instrument [Line Items]
Long-term notes, gross	$ 11,582	6,166
Notes due 2031 - 2040 \| Minimum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	0.50%
Notes due 2031 - 2040 \| Maximum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	6.77%
Notes due 2041 - 2050
Debt Instrument [Line Items]
Long-term notes, gross	$ 4,543	4,381
Notes due 2041 - 2050 \| Minimum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	0.97%
Notes due 2041 - 2050 \| Maximum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	4.65%
Notes due 2051 - 2060
Debt Instrument [Line Items]
Long-term notes, gross	$ 8,280	5,961
Notes due 2051 - 2060 \| Minimum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	1.125%
Notes due 2051 - 2060 \| Maximum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	5.55%
Notes due 2061 - 2070
Debt Instrument [Line Items]
Long-term notes, gross	$ 5,824	$ 3,977
Notes due 2061 - 2070 \| Minimum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	1.375%
Notes due 2061 - 2070 \| Maximum
Debt Instrument [Line Items]
Long-term notes Stated interest rate (in percent)	5.65%

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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