Supplemental Cash Flow Disclosures - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Supplemental Cash Flow Information [Abstract]
Income taxes paid, net	$ 345	$ 295
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	13	0
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	30	0
Non-cash Investing Activity:
Partnership commitments not yet remitted	4	1
Investments transferred in connection with reinsurance transaction	1,265	0
Ameriprise Financial [Member]
Supplemental Cash Flow Information [Abstract]
Interest Paid	209	154
Consolidated investment entities [Member]
Supplemental Cash Flow Information [Abstract]
Interest Paid	$ 64	$ 90