Borrowings - Pre-Swap Obligations (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Pre-swap annual contractual obligations of long-term debt outstanding
2021	$ 7,053
2022	7,345
2023	5,807
2024	6,506
2025	4,282
Thereafter	31,020
Total	$ 62,013	$ 62,207

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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