v3.25.2
Fair value measurements - Carrying Amounts and Estimated Fair Value for Financial Instrument Assets (Liabilities) (Detail) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Cash and cash equivalents    
Interest-bearing deposits at banks $ 19,297 $ 18,873
Investment securities held to maturity 35,568 34,051
Net loans 133,919 133,397
Financial liabilities:    
Short-term borrowings 71 60
Loan facility carrying amount [1] 12,380 12,605
Level 1    
Cash and cash equivalents    
Cash and cash equivalents 1,985 1,749
Interest-bearing deposits at banks 0 0
Investment securities held to maturity 0 0
Net loans 0 0
Financial liabilities:    
Time deposits 0 0
Short-term borrowings 0 0
Loan facility carrying amount 0 0
Level 2    
Cash and cash equivalents    
Cash and cash equivalents 143 160
Interest-bearing deposits at banks 19,297 18,873
Investment securities held to maturity 12,028 12,909
Net loans 6,811 6,806
Financial liabilities:    
Time deposits 14,055 14,463
Short-term borrowings 2,071 1,060
Loan facility carrying amount 12,552 12,754
Level 3    
Cash and cash equivalents    
Cash and cash equivalents 0 0
Interest-bearing deposits at banks 0 0
Investment securities held to maturity 45 46
Net loans 126,872 124,528
Financial liabilities:    
Time deposits 0 0
Short-term borrowings 0 0
Loan facility carrying amount 0 0
Carrying Amount    
Cash and cash equivalents    
Cash and cash equivalents 2,128 1,909
Interest-bearing deposits at banks 19,297 18,873
Investment securities held to maturity 13,024 14,195
Net loans 133,919 133,397
Financial liabilities:    
Time deposits 14,094 14,476
Short-term borrowings 2,071 1,060
Loan facility carrying amount 12,380 12,605
Estimated Fair Value    
Cash and cash equivalents    
Cash and cash equivalents 2,128 1,909
Interest-bearing deposits at banks 19,297 18,873
Investment securities held to maturity 12,073 12,955
Net loans 133,683 131,334
Financial liabilities:    
Time deposits 14,055 14,463
Short-term borrowings 2,071 1,060
Loan facility carrying amount $ 12,552 $ 12,754
[1] Loans of $2.5 billion and $1.5 billion at June 30, 2025 and December 31, 2024, respectively, were held in special purpose trusts to settle the respective obligations of asset-backed notes issued by those trusts. The outstanding balances of those asset-backed notes issued to third party investors were included in Long-term borrowings and were $2.1 billion at June 30, 2025 and $1.2 billion at December 31, 2024.