Outstanding Exposure - Amortization Schedule of Puerto Rico Net Par Outstanding and Net Debt Service Outstanding (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Scheduled Net Par Amortization
Total	$ 227,071	$ 236,392
Scheduled Net Debt Service Amortization
Total	356,701	367,360
Puerto Rico
Scheduled Net Par Amortization
2022 (October 1 - December 31)	0
2023 (January 1 - March 31)	0
2023 (April 1 - June 30)	0
2023 (July 1 - September 30)	181
2023 (October 1 - December 31)	0
Subtotal 2023	181
2024	149
2025	151
2026	170
2027-2031	637
2032-2036	577
2037-2041	201
2042	5
Total	2,071	$ 3,572
Scheduled Net Debt Service Amortization
2022 (October 1 - December 31)	3
2023 (January 1 - March 31)	49
2023 (April 1 - June 30)	2
2023 (July 1 - September 30)	230
2023 (October 1 - December 31)	3
Subtotal 2023	284
2024	243
2025	237
2026	249
2027-2031	934
2032-2036	732
2037-2041	237
2042	5
Total	$ 2,924