Outstanding Exposure - Amortization Schedule of Puerto Rico BIG Net Par Outstanding and BIG Net Debt Service Outstanding (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Scheduled Net Par Amortization
Total net par outstanding	$ 233,258	$ 236,392
Scheduled Net Debt Service Amortization
Total	369,951	367,360
Puerto Rico
Scheduled Net Par Amortization
2023 (January 1 - March 31)	0
2023 (April 1 - June 30)	0
2023 (July 1 - September 30)	125
2023 (October 1 - December 31)	0
Subtotal 2023	125
2024	112
2025	96
2026	152
2027	124
2028-2032	378
2033-2037	241
2038-2042	133
Total net par outstanding	1,361	$ 3,572
Scheduled Net Debt Service Amortization
2023 (January 1 - March 31)	30
2023 (April 1 - June 30)	3
2023 (July 1 - September 30)	156
2023 (October 1 - December 31)	3
Subtotal 2023	192
2024	173
2025	150
2026	202
2027	169
2028-2032	529
2033-2037	312
2038-2042	151
Total	$ 1,878