Borrowings - Breakdown of FHLB Advances Outstanding (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Total short-term Federal Home Loan Bank advances and other borrowings	$ 1,870	$ 3,900
Long-term fixed rate advances	1,400	1,200
Total	$ 3,270	$ 5,100
Rate	0.90%	1.03%
Current portion of fixed rate advances	$ 200	$ 0
Short-term fixed rate term advances
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Total short-term Federal Home Loan Bank advances and other borrowings	$ 1,095	$ 3,415
Rate	0.18%	0.20%
Short-term variable rate term advances
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Total short-term Federal Home Loan Bank advances and other borrowings	$ 0	$ 0
Rate	0.00%	0.00%
Other short-term borrowings
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Total short-term Federal Home Loan Bank advances and other borrowings	$ 775	$ 485
Rate	0.13%	0.08%

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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The current portion of Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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States the interest rate applicable to Federal Home Loan Bank advances outstanding as of the Balance Sheet date.

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Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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