Borrowings - Pre-Swap Obligations (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Pre-swap annual contractual obligations of long-term debt outstanding
2019	$ 7,050
2020	7,273
2021	6,647
2022	4,338
2023	3,403
2024 and beyond	14,485
Total	$ 43,196	$ 45,445

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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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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