Variable Interest Entities - Schedule of Redeemable Noncontrolling Interest of Consolidated Investment Vehicle (Details) $ in Millions	12 Months Ended
Dec. 31, 2019 USD ($)
Redeemable Noncontrolling Interest, Equity, Other, Fair Value, Rollforward [Roll Forward]
Beginning balance	$ 0
Contributions to investment vehicles	12
Distributions from investment vehicles	(4)
Net loss	(1)
December 31,	$ 7

Redeemable Noncontrolling Interest, Equity, Other, Contributions to Investment Vehicles

No definition available.

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- Definition

Redeemable Noncontrolling Interest, Equity, Other, Distributions From Investment Vehicles

+ References

No definition available.

+ Details

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- Definition

Redeemable Noncontrolling Interest, Equity, Other, Fair Value, Rollforward [Roll Forward]

+ References

No definition available.

+ Details

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- Definition

Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.19)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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- Definition

Fair value of noncontrolling interests which are redeemable by the parent entity and classified as other equity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 3A
-Subparagraph (12)(c)
-URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 3A
-Subparagraph (16)(c)
-URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 3A
-Subparagraph 14
-URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 3A
-Subparagraph 15
-URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764

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