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v3.25.1

Income Taxes - Operating Loss and Tax Credit Carryforwards (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Mar. 31, 2024
--- | --- | ---
Federal |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | $ 0 | $ 62
Net operating loss carryforward with no expiration | 0 | 62
Net operating loss carryforward with expiration | 0 | 0
Tax credit carryforwards | 0 | 3
Tax credit carryforwards with no expiration | 0 | 0
Tax credit carryforwards with expiration | 0 | 3
Capital loss carryforwards | 42 | 42
Capital loss carryforwards with no expiration | 42 | 42
Capital loss carryforwards with expiration | 0 | 0
State |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | 332 | 387
Net operating loss carryforward with no expiration | 161 | 191
Net operating loss carryforward with expiration | 171 | 196
Tax credit carryforwards | 5 | 5
Tax credit carryforwards with no expiration | 0 | 0
Tax credit carryforwards with expiration | 5 | 5
Capital loss carryforwards | 47 | 46
Capital loss carryforwards with no expiration | 47 | 46
Capital loss carryforwards with expiration | 0 | 0
Foreign |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | 10,369 | 10,211
Net operating loss carryforward with no expiration | 5,402 | 5,359
Net operating loss carryforward with expiration | 4,967 | 4,852
Tax credit carryforwards | 2 | 2
Tax credit carryforwards with no expiration | 0 | 0
Tax credit carryforwards with expiration | 2 | 2
Capital loss carryforwards | 34 | 30
Capital loss carryforwards with no expiration | 34 | 30
Capital loss carryforwards with expiration | $ 0 | $ 0

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