Supplemental Cash Flow Disclosures - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Supplemental Cash Flow Information [Abstract]
Income taxes paid (received), net	$ 236	$ 609	$ 538
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	0	13
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	76	41
Non-cash Investing Activity:
Partnership commitments not yet remitted	0	4	1
Investments transferred in connection with reinsurance transaction	0	1,265
Ameriprise Financial [Member]
Supplemental Cash Flow Information [Abstract]
Interest Paid, Including Capitalized Interest, Operating and Investing Activities	168	272	221
Consolidated investment entities [Member]
Supplemental Cash Flow Information [Abstract]
Interest Paid, Including Capitalized Interest, Operating and Investing Activities	$ 55	$ 84	$ 120

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