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v3.25.2

Borrowings - Long-term Debt Including Unamortized Debt Discounts and Premiums (Details) - USD ($) $ in Millions |  |  |  |  | 6 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Aug. 24, 2033 | May 19, 2033 | Nov. 17, 2028 | May 19, 2028 | Jun. 30, 2025 | Dec. 31, 2024
Debt Instrument [Line Items] |  |  |  |  |  |
Finance lease liabilities |  |  |  |  | $ 37 | $ 49
Unamortized premium — net |  |  |  |  | 42 | 54
Debt issuance costs |  |  |  |  | (80) | (93)
Fair value hedging basis adjustments |  |  |  |  | 9 | (7)
Total long-term debt |  |  |  |  | $ 20,208 | 22,428
Senior Notes | 5.643% due May 19, 2029 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Fixed interest rate |  |  |  |  | 5.643% |
Senior Notes | 5.643% due May 19, 2029 | Forecast |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread rate |  |  |  | 2.21% |  |
Senior Notes | 6.196% due November 17, 2029 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Fixed interest rate |  |  |  |  | 6.196% |
Senior Notes | 6.196% due November 17, 2029 | Forecast |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread rate |  |  | 1.878% |  |  |
Senior Notes | 5.853% due May 19, 2034 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Fixed interest rate |  |  |  |  | 5.853% |
Senior Notes | 5.853% due May 19, 2034 | Forecast |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread rate |  | 2.50% |  |  |  |
Senior Notes | 6.136% due August 24, 2034 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Fixed interest rate |  |  |  |  | 6.136% |
Senior Notes | 6.136% due August 24, 2034 | Forecast |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread rate | 2.01% |  |  |  |  |
CSC Senior Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 20,119 | 22,262
CSC Fixed-Rate Senior Notes | 3.000% due March 10, 2025 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 0 | 375
Fixed interest rate |  |  |  |  | 3.00% |
CSC Fixed-Rate Senior Notes | 4.200% due March 24, 2025 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 0 | 600
Fixed interest rate |  |  |  |  | 4.20% |
CSC Fixed-Rate Senior Notes | 3.625% due April 1, 2025 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 0 | 418
Fixed interest rate |  |  |  |  | 3.625% |
CSC Fixed-Rate Senior Notes | 3.850% due May 21, 2025 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 0 | 750
Fixed interest rate |  |  |  |  | 3.85% |
CSC Fixed-Rate Senior Notes | 3.450% due February 13, 2026 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 350 | 350
Fixed interest rate |  |  |  |  | 3.45% |
CSC Fixed-Rate Senior Notes | 0.900% due March 11, 2026 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 1,250 | 1,250
Fixed interest rate |  |  |  |  | 0.90% |
CSC Fixed-Rate Senior Notes | 1.150% due May 13, 2026 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 1,000 | 1,000
Fixed interest rate |  |  |  |  | 1.15% |
CSC Fixed-Rate Senior Notes | 5.875% due August 24, 2026 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 1,000 | 1,000
Fixed interest rate |  |  |  |  | 5.875% |
CSC Fixed-Rate Senior Notes | 3.200% due March 2, 2027 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 650 | 650
Fixed interest rate |  |  |  |  | 3.20% |
CSC Fixed-Rate Senior Notes | 2.450% due March 3, 2027 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 1,500 | 1,500
Fixed interest rate |  |  |  |  | 2.45% |
CSC Fixed-Rate Senior Notes | 3.300% due April 1, 2027 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 744 | 744
Fixed interest rate |  |  |  |  | 3.30% |
CSC Fixed-Rate Senior Notes | 3.200% due January 25, 2028 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 700 | 700
Fixed interest rate |  |  |  |  | 3.20% |
CSC Fixed-Rate Senior Notes | 2.000% due March 20, 2028 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 1,250 | 1,250
Fixed interest rate |  |  |  |  | 2.00% |
CSC Fixed-Rate Senior Notes | 4.000% due February 1, 2029 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 600 | 600
Fixed interest rate |  |  |  |  | 4.00% |
CSC Fixed-Rate Senior Notes | 3.250% due May 22, 2029 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 600 | 600
Fixed interest rate |  |  |  |  | 3.25% |
CSC Fixed-Rate Senior Notes | 2.750% due October 1, 2029 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 475 | 475
Fixed interest rate |  |  |  |  | 2.75% |
CSC Fixed-Rate Senior Notes | 4.625% due March 22, 2030 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 500 | 500
Fixed interest rate |  |  |  |  | 4.625% |
CSC Fixed-Rate Senior Notes | 1.650% due March 11, 2031 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 750 | 750
Fixed interest rate |  |  |  |  | 1.65% |
CSC Fixed-Rate Senior Notes | 2.300% due May 13, 2031 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 750 | 750
Fixed interest rate |  |  |  |  | 2.30% |
CSC Fixed-Rate Senior Notes | 1.950% due December 1, 2031 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 850 | 850
Fixed interest rate |  |  |  |  | 1.95% |
CSC Fixed-Rate Senior Notes | 2.900% due March 3, 2032 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 1,000 | 1,000
Fixed interest rate |  |  |  |  | 2.90% |
CSC Floating-Rate Senior Notes | SOFR + 0.520% due May 13, 2026 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 500 | 500
Basis spread rate |  |  |  |  | 0.52% |
CSC Floating-Rate Senior Notes | SOFR + 1.050% due March 3, 2027 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 500 | 500
Basis spread rate |  |  |  |  | 1.05% |
CSC Fixed-To-Floating Rate Senior Notes | 5.643% due May 19, 2029 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 1,200 | 1,200
Fixed interest rate |  |  |  |  | 5.643% |
CSC Fixed-To-Floating Rate Senior Notes | 6.196% due November 17, 2029 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 1,300 | 1,300
Fixed interest rate |  |  |  |  | 6.196% |
CSC Fixed-To-Floating Rate Senior Notes | 5.853% due May 19, 2034 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 1,300 | 1,300
Fixed interest rate |  |  |  |  | 5.853% |
CSC Fixed-To-Floating Rate Senior Notes | 6.136% due August 24, 2034 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 1,350 | 1,350
Fixed interest rate |  |  |  |  | 6.136% |
Ameritrade Holding Senior Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 81 | 163
Ameritrade Holding Fixed-Rate Senior Notes | 3.625% due April 1, 2025 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 0 | 82
Fixed interest rate |  |  |  |  | 3.625% |
Ameritrade Holding Fixed-Rate Senior Notes | 3.300% due April 1, 2027 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 56 | 56
Fixed interest rate |  |  |  |  | 3.30% |
Ameritrade Holding Fixed-Rate Senior Notes | 2.750% due October 1, 2029 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Senior notes |  |  |  |  | $ 25 | $ 25
Fixed interest rate |  |  |  |  | 2.75% |

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