Supplemental Cash Flow Disclosures - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Supplemental Cash Flow Information [Abstract]
Income taxes paid, net	$ 202	$ 189
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	13
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	18
Non-cash Investing Activity:
Partnership commitments not yet remitted	2
Investments transferred in connection with reinsurance transaction	1,265
Ameriprise Financial [Member]
Supplemental Cash Flow Information [Abstract]
Interest paid	142	101
Consolidated investment entities [Member]
Supplemental Cash Flow Information [Abstract]
Interest paid	$ 42	$ 69