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Variable Interest Entities (Asset & Liability Balances) (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2019 | Dec. 31, 2018
Nonconsolidated VIEs [Member] |  |  |
Liabilities |  |  |
Obligation to provide financial support to VIEs |  | $ 0 |
Nonconsolidated VIEs [Member] | Investment in non-consolidated CLOs [Member] |  |  |
Liabilities |  |  |
Carrying value of nonconsolidated VIEs assets |  | 4 | $ 5
Nonconsolidated VIEs [Member] | Property funds [Member] |  |  |
Liabilities |  |  |
Carrying value of nonconsolidated VIEs assets |  | 12 | 18
Nonconsolidated VIEs [Member] | Sponsored hedge funds and private equity funds [Member] |  |  |
Liabilities |  |  |
Carrying value of nonconsolidated VIEs assets |  | 0 | 7
Nonconsolidated VIEs [Member] | Non-U.S. series funds [Member] |  |  |
Liabilities |  |  |
Carrying value of nonconsolidated VIEs assets |  | 20 | 30
Nonconsolidated VIEs [Member] | Affordable housing partnerships and other real estate partnerships[Member] |  |  |
Liabilities |  |  |
Carrying value of nonconsolidated VIEs assets |  | 301 | 352
Carrying value of nonconsolidated VIE liabilities |  | 20 | 43
Consolidated investment entities [Member] |  |  |
Liabilities |  |  |
Debt | [1] | 1,670 | 1,743
Estimated fair value of CLO debt |  | 1,700 | 1,700
Recurring basis [Member] | Consolidated investment entities [Member] |  |  |
Assets |  |  |
Investments |  | 1,650 | 1,706
Receivables |  | 20 | 12
Total assets at fair value |  | 1,670 | 1,718
Liabilities |  |  |
Debt | [1] | 1,670 | 1,743
Other liabilities |  | 82 | 122
Total liabilities at fair value |  | 1,752 | 1,865
Recurring basis [Member] | Consolidated investment entities [Member] | Corporate debt securities [Member] |  |  |
Assets |  |  |
Investments |  | 9 | 9
Recurring basis [Member] | Consolidated investment entities [Member] | Common stocks [Member] |  |  |
Assets |  |  |
Investments |  | 1 | 2
Recurring basis [Member] | Consolidated investment entities [Member] | Other Investments [Member] |  |  |
Assets |  |  |
Investments |  |  | 4
Recurring basis [Member] | Consolidated investment entities [Member] | Syndicated loans [Member] |  |  |
Assets |  |  |
Investments |  | 1,640 | 1,691
Recurring basis [Member] | Consolidated investment entities [Member] | Level 1 [Member] |  |  |
Assets |  |  |
Investments |  | 1 | 5
Total assets at fair value |  | 1 | 5
Recurring basis [Member] | Consolidated investment entities [Member] | Level 1 [Member] | Common stocks [Member] |  |  |
Assets |  |  |
Investments |  | 1 | 1
Recurring basis [Member] | Consolidated investment entities [Member] | Level 1 [Member] | Other Investments [Member] |  |  |
Assets |  |  |
Investments |  |  | 4
Recurring basis [Member] | Consolidated investment entities [Member] | Level 2 [Member] |  |  |
Assets |  |  |
Investments |  | 1,514 | 1,475
Receivables |  | 20 | 12
Total assets at fair value |  | 1,534 | 1,487
Liabilities |  |  |
Debt | [1] | 1,670 | 1,743
Other liabilities |  | 82 | 122
Total liabilities at fair value |  | 1,752 | 1,865
Recurring basis [Member] | Consolidated investment entities [Member] | Level 2 [Member] | Corporate debt securities [Member] |  |  |
Assets |  |  |
Investments |  | 9 | 9
Recurring basis [Member] | Consolidated investment entities [Member] | Level 2 [Member] | Common stocks [Member] |  |  |
Assets |  |  |
Investments |  |  | 1
Recurring basis [Member] | Consolidated investment entities [Member] | Level 2 [Member] | Syndicated loans [Member] |  |  |
Assets |  |  |
Investments |  | 1,505 | 1,465
Recurring basis [Member] | Consolidated investment entities [Member] | Level 3 [Member] |  |  |
Assets |  |  |
Investments |  | 135 | 226
Total assets at fair value |  | 135 | 226
Recurring basis [Member] | Consolidated investment entities [Member] | Level 3 [Member] | Syndicated loans [Member] |  |  |
Assets |  |  |
Investments |  | $ 135 | $ 226
[1] | The carrying value of the CLOs’ debt is set equal to the fair value of the CLOs’ assets. The estimated fair value of the CLOs’ debt was $1.7 billion as of both September 30, 2019 and December 31, 2018.

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