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Redeemable Noncontrolling Interests and Noncontrolling Interests - Schedule of Changes in Redeemable Noncontrolling Interests and Noncontrolling Interests (Details) - USD ($) $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Jun. 02, 2025 | Apr. 01, 2025 | Mar. 31, 2026 | Mar. 31, 2025 | Mar. 31, 2024
Equity, Attributable to Noncontrolling Interest [Roll Forward] |  |  |  |  |
Beginning balance |  | $ (1,694) | $ (1,694) | $ (1,599) | $ (1,490)
Beginning balance, redeemable noncontrolling interests |  | 0 | 0 |  |
Net income attributable to noncontrolling interests |  |  | 5,099 | 3,481 | 3,160
Adjustment to redemption value in net income attributable to noncontrolling interests |  |  | 0 | 0 | 0
Adjustment to redemption value in net income attributable to noncontrolling interests |  |  | 122 | 0 | 0
Payments to noncontrolling interests |  |  | (182) | (178) | (152)
Other |  |  | 1 | (2) | 3
Adjustment to fair value |  |  | (87) |  |
Ending balance |  |  | (1,777) | (1,694) | (1,599)
Ending balance, redeemable noncontrolling interests |  |  | 943 | 0 |
PRISM Vision Holdings, LLC |  |  |  |  |
Equity, Attributable to Noncontrolling Interest [Roll Forward] |  |  |  |  |
Acquisition fair value |  | 25 |  |  |
Core Ventures |  |  |  |  |
Equity, Attributable to Noncontrolling Interest [Roll Forward] |  |  |  |  |
Acquisition fair value | $ 700 |  |  |  |
Noncontrolling Interests |  |  |  |  |
Equity, Attributable to Noncontrolling Interest [Roll Forward] |  |  |  |  |
Beginning balance |  | 380 | 380 | 372 | 367
Net income attributable to noncontrolling interests |  |  | 197 | 186 | 158
Payments to noncontrolling interests |  |  | (182) | (178) | (152)
Other |  |  | 0 | 0 | (1)
Adjustment to fair value |  |  | 0 | 0 | 0
Ending balance |  |  | 395 | 380 | 372
Noncontrolling Interests | PRISM Vision Holdings, LLC |  |  |  |  |
Equity, Attributable to Noncontrolling Interest [Roll Forward] |  |  |  |  |
Acquisition fair value |  |  | 0 | 0 | 0
Noncontrolling Interests | Core Ventures |  |  |  |  |
Equity, Attributable to Noncontrolling Interest [Roll Forward] |  |  |  |  |
Acquisition fair value |  |  | 0 | 0 | $ 0
Redeemable Noncontrolling Interests |  |  |  |  |
Equity, Attributable to Noncontrolling Interest [Roll Forward] |  |  |  |  |
Beginning balance, redeemable noncontrolling interests |  | 0 | 0 |  |
Net income attributable to noncontrolling interests |  |  | 18 |  |
Payments to noncontrolling interests |  |  | (7) |  |
Other |  |  | (2) |  |
Adjustment to fair value |  |  | 87 |  |
Ending balance, redeemable noncontrolling interests |  |  | 943 | $ 0 |
Redeemable Noncontrolling Interests | PRISM Vision Holdings, LLC |  |  |  |  |
Equity, Attributable to Noncontrolling Interest [Roll Forward] |  |  |  |  |
Acquisition fair value |  | $ 25 | 25 |  |
Redeemable Noncontrolling Interests | Core Ventures |  |  |  |  |
Equity, Attributable to Noncontrolling Interest [Roll Forward] |  |  |  |  |
Acquisition fair value |  |  | $ 700 |  |

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