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Investments (Neumora Therapeutics, Inc.) (Details) - Neumora Therapeutics, Inc. [Member] - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021
Net Investment Income [Line Items] |  |  |  |
Ownership percentage | 25.90% | 25.70% | 25.70% | 25.90%
Equity Method Investment, Aggregate Cost | $ 257 |  |  |
Payments to Acquire Equity Method Investments | 100 |  |  |
Noncash or Part Noncash Acquisition, Investments Acquired | $ 157 |  |  |
Equity Method Investments, Fair Value Disclosure |  | $ 131 | $ 131 | $ 220
Equity method investment, change in carrying value |  | $ 39 | $ 89 |

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- Definition The amount of investments that an Entity acquires in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4332-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4304-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4313-108586 + Details
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