Supplemental Cash Flow Disclosures - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Supplemental Cash Flow Information [Abstract]
Income taxes paid, net	$ 116	$ 345
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	0	4
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	68	1,265
Non-cash Investing Activity:
Partnership commitments not yet remitted	4	13
Investments transferred in connection with reinsurance transaction	0	30
Variable Interest Entity, Primary Beneficiary [Member]
Supplemental Cash Flow Information [Abstract]
Interest Paid	45	64
Ameriprise Financial [Member]
Supplemental Cash Flow Information [Abstract]
Interest Paid	$ 136	$ 209