Long-Term Debt and Short-Term Borrowings - Future Maturities of Long-term Debt (Details) $ in Millions	Sep. 30, 2020 USD ($)
Maturities of long-term debt
Remainder of 2020	$ 149
2021	1,710
2022	1,629
2023	1,842
2024	1,101
2025	1,789
After 2025	11,362
Total long-term debt	$ 19,582

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

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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