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Variable Interest Entities (Asset & Liability Balances) (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 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 |  | 15 | 18
Nonconsolidated VIEs [Member] | Non-U.S. series funds [Member] |  |  |
Liabilities |  |  |
Carrying value of nonconsolidated VIEs assets |  | 15 | 30
Nonconsolidated VIEs [Member] | Affordable housing partnerships and other real estate partnerships[Member] |  |  |
Liabilities |  |  |
Carrying value of nonconsolidated VIEs assets |  | 321 | 352
Carrying value of nonconsolidated VIE liabilities |  | 22 | 43
Consolidated investment entities [Member] |  |  |
Liabilities |  |  |
Debt | [1] | 1,707 | 1,743
Estimated fair value of CLO debt |  | 1,700 | 1,700
Recurring basis [Member] | Consolidated investment entities [Member] |  |  |
Assets |  |  |
Investments |  | 1,707 | 1,706
Receivables |  | 23 | 12
Total assets at fair value |  | 1,730 | 1,718
Liabilities |  |  |
Debt | [1] | 1,707 | 1,743
Other liabilities |  | 61 | 122
Total liabilities at fair value |  | 1,768 | 1,865
Recurring basis [Member] | Consolidated investment entities [Member] | Corporate debt securities [Member] |  |  |
Assets |  |  |
Investments |  | 8 | 9
Recurring basis [Member] | Consolidated investment entities [Member] | Common stocks [Member] |  |  |
Assets |  |  |
Investments |  | 2 | 2
Recurring basis [Member] | Consolidated investment entities [Member] | Other Investments [Member] |  |  |
Assets |  |  |
Investments |  | 4 | 4
Recurring basis [Member] | Consolidated investment entities [Member] | Syndicated loans [Member] |  |  |
Assets |  |  |
Investments |  | 1,693 | 1,691
Recurring basis [Member] | Consolidated investment entities [Member] | Level 1 [Member] |  |  |
Assets |  |  |
Investments |  | 5 | 5
Total assets at fair value |  | 5 | 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 | 4
Recurring basis [Member] | Consolidated investment entities [Member] | Level 2 [Member] |  |  |
Assets |  |  |
Investments |  | 1,571 | 1,475
Receivables |  | 23 | 12
Total assets at fair value |  | 1,594 | 1,487
Liabilities |  |  |
Debt | [1] | 1,707 | 1,743
Other liabilities |  | 61 | 122
Total liabilities at fair value |  | 1,768 | 1,865
Recurring basis [Member] | Consolidated investment entities [Member] | Level 2 [Member] | Corporate debt securities [Member] |  |  |
Assets |  |  |
Investments |  | 8 | 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 |  | 1,563 | 1,465
Recurring basis [Member] | Consolidated investment entities [Member] | Level 3 [Member] |  |  |
Assets |  |  |
Investments |  | 131 | 226
Total assets at fair value |  | 131 | 226
Recurring basis [Member] | Consolidated investment entities [Member] | Level 3 [Member] | Common stocks [Member] |  |  |
Assets |  |  |
Investments |  | 1 |
Recurring basis [Member] | Consolidated investment entities [Member] | Level 3 [Member] | Syndicated loans [Member] |  |  |
Assets |  |  |
Investments |  | $ 130 | $ 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 June 30, 2019 and December 31, 2018.

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