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Leases- Schedule of Operating and Finance Lease Assets and Liabilities (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
ROU assets: |  |
Operating leases | $ 384 | $ 64
Finance leases | $ 4 | $ 4
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Other assets | Other assets
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Premises and equipment | Premises and equipment
Total leased assets | $ 388 | $ 68
Lease liabilities: |  |
Operating leases | $ 385 | $ 65
Operating Lease, Liability, Statement of Financial Position [Extensible List] | Other liabilities | Other liabilities
Finance leases | $ 4 | $ 4
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] | Other borrowings | Other borrowings
Total lease liabilities | $ 389 | $ 69
Weighted Average Remaining Lease Term [Abstract] |  |
Weighted average remaining lease term, operating | 9 years 10 months 24 days | 8 years 10 months 24 days
Weighted average remaining lease term, finance | 3 years 4 months 24 days | 3 years 6 months
Weighted Average Discount Rate [Abstract] |  |
Weighted average discount rate, operating lease | 2.07% | 3.00%
Weighted average discount rate, finance lease | 3.11% | 3.12%

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