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Financial Instruments - Schedule of Changes in IRLCs (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Interest Rate Lock Commitments [Roll Forward] |  |  |  |
Balance, beginning of the period | $ 7 | $ 5 | $ 4 | $ 3
Issuances | 24 | 11 | 45 | 23
Transfers | (22) | (12) | (40) | (22)
Balance, end of period | $ 9 | $ 4 | $ 9 | $ 4

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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