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Stockholders' Equity (Deficit) - Schedule of Share Repurchases (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 31, 2022 | Feb. 28, 2022 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Programs |  |  |  |  |  |
Beginning balance |  |  |  | $ 3,278 | $ 2,785 | $ 1,535
Share repurchase authorization increase |  |  | $ 4,000 | 4,000 | 4,000 | 2,000
Ending balance |  |  | $ 3,278 | $ 3,613 | $ 3,278 | 2,785
Other accrued liabilities |  |  |  |  |  |
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Programs |  |  |  |  |  |
Accrued shares repurchased |  |  |  |  |  | $ 8
Open Market Transactions |  |  |  |  |  |
Accelerated Share Repurchases [Line Items] |  |  |  |  |  |
Total Number of Shares Purchased (in shares) |  |  |  | 4.7 | 4.6 | 4.7
Average Price Paid Per Share (in dollars per share) |  |  |  | $ 363.24 | $ 217.73 | $ 160.33
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Programs |  |  |  |  |  |
Shares repurchased |  |  |  | $ (1,693) | $ (1,007) | $ (750)
Open Market Transactions | Other accrued liabilities |  |  |  |  |  |
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Programs |  |  |  |  |  |
Shares repurchased |  |  |  | $ (27) |  |
Accelerated Share Repurchase, May 2021 |  |  |  |  |  |
Accelerated Share Repurchases [Line Items] |  |  |  |  |  |
Total Number of Shares Purchased (in shares) |  |  |  |  | 5.2 |
Average Price Paid Per Share (in dollars per share) |  |  |  |  | $ 193.22 |
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Programs |  |  |  |  |  |
Shares repurchased |  |  |  |  | $ (1,000) |
Accelerated Share Repurchase, February 2022 |  |  |  |  |  |
Accelerated Share Repurchases [Line Items] |  |  |  |  |  |
Total Number of Shares Purchased (in shares) |  |  |  | 0.3 | 4.8 |
Average Price Paid Per Share (in dollars per share) |  |  |  | $ 295.16 | $ 265.56 |
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Programs |  |  |  |  |  |
Shares repurchased |  | $ (1,500) |  | $ 0 | $ (1,500) |
Accelerated Share Repurchase, May 2022 |  |  |  |  |  |
Accelerated Share Repurchases [Line Items] |  |  |  |  |  |
Total Number of Shares Purchased (in shares) |  |  |  | 3.1 |  |
Average Price Paid Per Share (in dollars per share) |  |  |  | $ 321.05 |  |
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Programs |  |  |  |  |  |
Shares repurchased |  |  |  | $ (1,000) |  |
Accelerated Share Repurchase, December 2022 |  |  |  |  |  |
Accelerated Share Repurchases [Line Items] |  |  |  |  |  |
Total Number of Shares Purchased (in shares) |  |  |  | 2.6 |  |
Average Price Paid Per Share (in dollars per share) |  |  |  | $ 369.20 |  |
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Programs |  |  |  |  |  |
Shares repurchased |  |  |  | $ (972) |  |
Accelerated Share Repurchase |  |  |  |  |  |
Accelerated Share Repurchases [Line Items] |  |  |  |  |  |
Total Number of Shares Purchased (in shares) | 0.3 |  | 4.8 |  |  |
Average Price Paid Per Share (in dollars per share) |  | $ 295.16 |  |  |  |
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Programs |  |  |  |  |  |
Repurchase of common stock (in shares) |  | 5.1 |  |  |  |

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