Supplemental Cash Flow Disclosures - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Supplemental Cash Flow Information [Abstract]
Income taxes paid, net	$ 51	$ 202
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	0	13
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	51	18
Non-cash Investing Activity:
Partnership commitments not yet remitted	2	2
Investments transferred in connection with reinsurance transaction	0	1,265
Variable Interest Entity, Primary Beneficiary [Member]
Supplemental Cash Flow Information [Abstract]
Interest Paid	33	42
Ameriprise Financial [Member]
Supplemental Cash Flow Information [Abstract]
Interest Paid	$ 100	$ 142