DEBT AND OTHER OBLIGATIONS (Tables)

3 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Schedule of Collateral Pledged for Repurchase Agreements

The following table provides the fair value of collateral pledged for repurchase agreements, grouped by asset class as of March 31, 2021 and December 31, 2020:

Repurchase Agreements, Securities Lending Transactions, and Repurchase-to-Maturity Transactions

Accounted for as Secured Borrowings

	Remaining Contractual Maturity of the Agreements
	As of March 31, 2021
	(Dollars In Millions)
	Overnight and Continuous		Up to 30 days		30-90 days		Greater Than 90 days		Total
Repurchase agreements and repurchase-to-maturity transactions
U.S. Treasury and agency securities	$	843	$	74	$	—	$	—	$	917
Total repurchase agreements and repurchase-to-maturity transactions	843		74		—		—		917
Securities lending transactions
Corporate securities	123		—		—		—		123
Equity securities	5		—		—		—		5
Redeemable preferred stocks	1		—		—		—		1
Total securities lending transactions	129		—		—		—		129
Total securities	$	972	$	74	$	—	$	—	$	1,046

Repurchase Agreements, Securities Lending Transactions, and Repurchase-to-Maturity Transactions

Accounted for as Secured Borrowings

	Remaining Contractual Maturity of the Agreements
	As of December 31, 2020
	(Dollars In Millions)
	Overnight and Continuous		Up to 30 days		30-90 days		Greater Than 90 days		Total
Repurchase agreements and repurchase-to-maturity transactions
U.S. Treasury and agency securities	$	366	$	86	$	—	$	—	$	452
Total repurchase agreements and repurchase-to-maturity transactions	366		86		—		—		452
Securities lending transactions
Fixed maturity securities	49		—		—		—		49
Equity securities	7		—		—		—		7
Redeemable preferred stocks	1		—		—		—		1
Total securities lending transactions	57		—		—		—		57
Total securities	$	423	$	86	$	—	$	—	$	509