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v3.23.1

Shareholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |  |  |  |  |  |  | 2 Months Ended | 3 Months Ended | 4 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 28, 2023 | Jan. 13, 2023 | Dec. 23, 2022 | Apr. 18, 2022 | Jan. 31, 2022 | Oct. 04, 2021 | Feb. 28, 2023 | Mar. 31, 2023 | Jan. 13, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Oct. 14, 2021 | Sep. 30, 2021 | Apr. 18, 2022 | Jan. 31, 2022 | Dec. 23, 2022 | Mar. 31, 2023 | Mar. 31, 2022
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of treasury shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,500 | $ 1,000
$250 million share repurchase program [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of treasury shares |  |  |  |  |  |  |  |  |  | $ 250 |  |  |  |  |  |  |  |  |  |
$1 billion share repurchase program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of treasury shares |  |  |  |  |  |  |  |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  |
$300 million share repurchase program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of treasury shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 300 |  |  |  |  |  |  |
$500 million share repurchase program [Domain] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of treasury shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500 |  |  |  |  |
$200 million |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of treasury shares |  |  |  |  |  |  |  |  |  |  |  | $ 200 |  |  |  |  |  |  |  |
Treasury Stock, Common |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of treasury shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,500 | $ 1,000
Treasury Stock, Shares, Acquired |  |  |  |  |  |  |  | (4.0) |  |  |  | (4.0) |  |  |  |  |  |  | (20.0) | (19.0)
Treasury Stock, Common | $250 million share repurchase program [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Treasury Stock, Shares, Acquired | (0.6) | (0.6) |  |  |  |  |  |  |  | (2.6) |  |  |  |  |  |  |  |  | (2.6) |
Treasury shares acquired, average price per share (in usd per share) |  |  |  |  |  |  | $ 77.27 |  | $ 77.50 | $ 76.58 |  |  |  |  |  |  |  |  | $ 77.03 |
Treasury Stock, Common | $1 billion share repurchase program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Treasury Stock, Shares, Acquired |  |  | (1.6) |  |  |  |  |  |  |  | (12.0) |  |  |  |  |  |  |  |  |
Treasury shares acquired, average price per share (in usd per share) |  |  |  |  |  |  |  |  |  |  | $ 66.74 |  |  |  |  |  |  | $ 73.36 |  |
Treasury Stock, Common | $300 million share repurchase program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Treasury Stock, Shares, Acquired |  |  |  |  | (1.3) |  |  |  |  |  |  |  | (4.8) |  |  |  |  |  |  |
Treasury shares acquired, average price per share (in usd per share) |  |  |  |  |  |  |  |  |  |  |  |  | $ 50.30 |  |  |  | $ 49.39 |  |  |
Treasury Stock, Common | $500 million share repurchase program [Domain] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Treasury Stock, Shares, Acquired |  |  |  |  |  | (2.0) |  |  |  |  |  |  |  |  | (7.8) |  |  |  |  |
Treasury shares acquired, average price per share (in usd per share) |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 51.10 | $ 51.53 |  |  |  |  |
Treasury Stock, Common | $200 million |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Treasury Stock, Shares, Acquired |  |  |  | (0.6) |  |  |  |  |  |  |  | (3.0) |  |  |  |  |  |  |  |
Treasury shares acquired, average price per share (in usd per share) |  |  |  |  |  |  |  |  |  |  |  | $ 54.01 |  |  |  | $ 56.02 |  |  |  |

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