Offsetting Assets and Liabilities (Liabilities) (Details) - USD ($) $ in Millions		Jun. 30, 2020	Dec. 31, 2019
Derivatives
Gross amounts of recognized liabilities	[1]	$ 7,649	$ 5,168
OTC derivatives [Member]
Derivatives
Gross amounts of recognized liabilities		3,416	3,426
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial instruments	[2]	(3,146)	(2,886)
Cash collateral		0	0
Securities collateral		(270)	(540)
Net amount		0	0
OTC cleared derivatives [Member]
Derivatives
Gross amounts of recognized liabilities		57	41
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial instruments	[2]	(30)	(21)
Net amount		27	20
Exchange-traded derivatives [Member]
Derivatives
Gross amounts of recognized liabilities		112	11
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial instruments	[2]	(102)	(5)
Net amount		10	6
Total derivatives [Member]
Derivatives
Gross amounts of recognized liabilities		3,585	3,478
Gross Amounts Not Offset in the Consolidated Balance Sheets
Financial instruments	[2]	(3,278)	(2,912)
Cash collateral		0	0
Securities collateral		(270)	(540)
Net amount		$ 37	$ 26

[1] The fair value of freestanding derivative liabilities is included in Other liabilities on the Consolidated Balance Sheets. The fair value of GMWB and GMAB, IUL, indexed annuity and structured variable annuity embedded derivatives is included in Policyholder account balances, future policy benefits and claims on the Consolidated Balance Sheets.

[2] Represents the amount of liabilities that could be offset by assets with the same counterparty under master netting or similar arrangements that management elects not to offset on the Consolidated Balance Sheets.