Borrowings - Long-Term Debt, Components (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Borrowings
Long-term debt, gross	$ 56,542	$ 51,986
Long-term debt excluding finance lease obligations	56,240	51,747
Less: net unamortized discount	846	835
Less: net unamortized debt issuance costs	157	138
Add: fair value adjustment	(311)	(73)
Total	55,228	50,940
Less: current maturities	6,400	4,751
Total long-term debt (excluding current portion)	48,828	46,189
United States of America, Dollars
Borrowings
Long-term debt, gross	35,321	33,605
Maturing 2023 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 2	1,529
Debt instrument, weighted-average interest rate (as a percent)	2.40%
Maturing 2024 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 5,004	5,009
Debt instrument, weighted-average interest rate (as a percent)	3.30%
Maturing 2025 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 1,602	1,603
Debt instrument, weighted-average interest rate (as a percent)	5.10%
Maturing 2026 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 5,201	4,351
Debt instrument, weighted-average interest rate (as a percent)	3.50%
Maturing 2027 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 3,620	3,620
Debt instrument, weighted-average interest rate (as a percent)	3.10%
Maturing 2028 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 1,313	313
Debt instrument, weighted-average interest rate (as a percent)	5.00%
Maturing 2029 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 3,250	3,250
Debt instrument, weighted-average interest rate (as a percent)	3.50%
Maturing 2030 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 1,350	1,350
Debt instrument, weighted-average interest rate (as a percent)	2.00%
Maturing 2032 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 1,850	1,850
Debt instrument, weighted-average interest rate (as a percent)	4.40%
Maturing 2033 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 750	0
Debt instrument, weighted-average interest rate (as a percent)	4.80%
Maturing 2038 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 83	83
Debt instrument, weighted-average interest rate (as a percent)	8.00%
Maturing 2038 \| United Kingdom, Pounds
Borrowings
Long-term debt, gross	$ 915	0
Debt instrument, weighted-average interest rate (as a percent)	4.90%
Maturing 2039 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 2,745	2,745
Debt instrument, weighted-average interest rate (as a percent)	4.50%
Maturing 2040 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 650	650
Debt instrument, weighted-average interest rate (as a percent)	2.90%
Maturing 2042 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 1,107	1,107
Debt instrument, weighted-average interest rate (as a percent)	4.00%
Maturing 2045 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 27	27
Debt instrument, weighted-average interest rate (as a percent)	7.00%
Maturing 2046 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 650	650
Debt instrument, weighted-average interest rate (as a percent)	4.70%
Maturing 2049 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 3,000	3,000
Debt instrument, weighted-average interest rate (as a percent)	4.30%
Maturing 2050 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 750	750
Debt instrument, weighted-average interest rate (as a percent)	3.00%
Maturing 2052 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 1,400	1,400
Debt instrument, weighted-average interest rate (as a percent)	4.20%
Maturing 2053 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 650	0
Debt instrument, weighted-average interest rate (as a percent)	5.10%
Maturing 2096 \| United States of America, Dollars
Borrowings
Long-term debt, gross	$ 316	316
Debt instrument, weighted-average interest rate (as a percent)	7.10%
Maturing 2024-2043 \| Euro Member Countries, Euro
Borrowings
Long-term debt, gross	$ 18,512	17,087
Debt instrument, weighted-average interest rate (as a percent)	1.80%
Maturing 2024-2028 \| Japan, Yen
Borrowings
Long-term debt, gross	$ 1,182	694
Debt instrument, weighted-average interest rate (as a percent)	0.50%
Maturing 2023-2026 \| Other currencies
Borrowings
Long-term debt, gross	$ 310	361
Debt instrument, weighted-average interest rate (as a percent)	15.10%
Finance Lease Obligations Maturing 2023-2030
Borrowings
Finance lease obligations	$ 303	$ 239
Finance lease obligations, interest rate (as a percent)	4.30%

It represents the amount of debt excluding finance lease obligations.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount as of the balance sheet date of the unamortized adjustment to the carrying value of an interest-bearing hedged item made under an effective interest rate fair value hedge that is amortized upon discontinuation of the interest rate fair value hedge.

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Present value of lessee's discounted obligation for lease payments from finance lease.

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Amount of long-term debt and lease obligation, classified as noncurrent.

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Amount of long-term debt and lease obligation, classified as current.

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