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Derivatives - Additional Information (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Notional Amount | $ 23,449,000,000 |  | $ 23,449,000,000 |  | $ 10,755,000,000
Derivative, Collateral, Right to Reclaim Cash | 65,000,000 |  | 65,000,000 |  | 1,000,000
Cash collateral held | 45,000,000 |  | 45,000,000 |  | 56,000,000
Securities Received as Collateral | 0 |  | 0 |  | 1,000,000
Collateral Securities Repledged, Delivered, or Used | 0 |  | 0 |  | 0
Open Swap Contract, Identifier [Axis]: CME SWAPS MARKETS (CME) DESIGNATED AS A HEDGE [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Notional Amount | 700,000,000 |  | 700,000,000 |  |
Open Swap Contract, Identifier [Axis]: CME SWAPS MARKETS (CME) NON-DESIGNATED [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Notional Amount | 6,500,000,000 |  | 6,500,000,000 |  |
Collateral Pledged |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Collateral, Right to Reclaim Cash | 16,000,000 |  | 16,000,000 |  | 16,000,000
Asset Pledged as Collateral [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Collateral, Right to Reclaim Securities | 6,000,000 |  | 6,000,000 |  | 8,000,000
Over the Counter [Member] | Asset Pledged as Collateral [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Collateral, Right to Reclaim Securities | 196,000,000 |  | 196,000,000 |  | 57,000,000
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Loss on Discontinuation of Cash Flow Hedge Due to Forecasted Transaction Probable of Not Occurring | 0 | $ 0 | 0 | $ 0 |
AOCI Attributable to Parent [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months |  |  | 4,000,000 |  |
Not Designated as Hedging Instrument |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Notional Amount | 19,231,000,000 |  | 19,231,000,000 |  | 8,032,000,000
Non-qualifying foreign currency derivatives | (39,000,000) | 14,000,000 | (34,000,000) | 61,000,000 |
Not Designated as Hedging Instrument | Interest rate swaps [1] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Notional Amount | 13,100,000,000 |  | 13,100,000,000 |  | 6,600,000,000
Not Designated as Hedging Instrument | Commodity Option |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Non-qualifying foreign currency derivatives | 0 | $ 0 | 0 | $ 14,000,000 |
Not Designated as Hedging Instrument | Interest Rate Swaps and Futures [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Notional Amount | 14,045,000,000 |  | 14,045,000,000 |  | 7,245,000,000
Designated as Hedging Instrument | Interest rate swaps [1] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, Notional Amount | $ 3,650,000,000 |  | $ 3,650,000,000 |  | $ 2,155,000,000

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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480870/815-30-50-1 + Details
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