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v3.22.4

Commitments, contingencies, and guarantees (Narrative) (Detail) € in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2022 EUR (€) | Oct. 06, 2022 USD ($)
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Amount Subject to a Master Netting Agreement | $ 60 | $ 123 |  |  |
Hedged Liability, Fair Value Hedge | 1,600 |  |  | € 1,500 |
Securities Sold under Agreements to Repurchase | 1,419 | 1,406 |  |  |
Repurchase agreements | $ 1,419 | $ 1,406 |  |  |
Concentration Risk Percentage Marsh | 11.00% | 12.00% | 12.00% | 11.00% |
Purchase Commitment, Remaining Minimum Amount Committed | $ 770 | $ 771 |  |  |
Carrying value of limited partnerships and partially-owned investment companies included in other investments | 12,000 | 9,800 |  |  |
Funding commitments relating to limited partnerships and partially-owned investment companies | 7,400 | 7,200 |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | 2,700 |  |  |  | $ 3,000
Line of Credit Facility, Current Borrowing Capacity | 4,000 |  |  |  |
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases | 3,000 |  |  |  |
Operating Lease, Right-of-Use Asset | 607 | 445 |  |  |
Operating Lease, Liability | $ 633 | 484 |  |  |
Operating Lease, Weighted Average Remaining Lease Term | 7 years 9 months 18 days |  |  | 7 years 9 months 18 days |
Operating Lease, Weighted Average Discount Rate, Percent | 3.50% |  |  | 3.50% |
Deposit Assets | $ 96 | $ 101 |  |  |
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] |  |  |  |  |
Operating Lease, Liability, Statement of Financial Position [Extensible List] | Other Liabilities | Other Liabilities |  | Other Liabilities |
Operating Lease, Cost | $ 161 | $ 149 | $ 152 |  |
Lessee, Lease Not Yet Commenced, Noncurrent Amount | 1,200 |  |  |  |
Interest expense | 570 | 492 | 516 |  |
Other Comprehensive Income (Loss), before Tax | (11,664) | $ (2,946) | $ 2,666 |  |
Letter of Credit [Member] |  |  |  |  |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |  |  |  |
Line of Credit Facility, Amount Outstanding | 1,400 |  |  |  |
Fair Value Hedging |  |  |  |  |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |  |  |  |
OCI, before Reclassifications, Net of Tax, Attributable to Parent | 17 |  |  |  |
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion | 105 |  |  |  |
Interest expense | 5 |  |  |  |
Other Comprehensive Income (Loss), before Tax | (83) |  |  |  |
Net Investment Hedging |  |  |  |  |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |  |  |  |
OCI, before Reclassifications, Net of Tax, Attributable to Parent | (53) |  |  |  |
Interest expense | 4 |  |  |  |
Other Comprehensive Income (Loss), before Tax | $ (57) |  |  |  |

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