Long-Term Debt and Short-Term Borrowings - Short-Term Borrowings and Current Portion of Long-Term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Short-Term Borrowings and Current Portion of Long-Term Debt
Current portion of long-term debt	$ 1,291	$ 794
Total short-term borrowings and current portion of long-term debt	$ 1,307	806
Current portion of long-term debt
Short-Term Borrowings and Current Portion of Long-Term Debt
Effective Interest Rate	1.20%
U.S. dollar commercial paper
Short-Term Borrowings and Current Portion of Long-Term Debt
Effective Interest Rate	0.00%
Short-term borrowings	$ 0	0
Other borrowings
Short-Term Borrowings and Current Portion of Long-Term Debt
Effective Interest Rate	4.10%
Short-term borrowings	$ 16	$ 12

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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