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Acquisitions (Details) - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jan. 07, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Jun. 30, 2021
Asset Acquisitions [Abstract] |  |  |  |
Currently marketed products |  |  | $ 385 | $ 0
Acquired in-process research & development |  |  | 10 | 0
Other intangible assets (including software) |  |  | 12 | 0
Deferred tax assets |  |  | 57 | 0
Trade receivables |  |  | 10 | 0
Inventory |  |  | 16 | 0
Cash and cash equivalents |  |  | 4 | 0
Other assets |  |  | 6 | 0
Trade payables and other liabilities |  |  | (11) | 0
Net identifiable assets acquired |  |  | 489 | 0
Acquired liquidity |  |  | (4) | 0
Net assets recognized as a result of asset acquisitions |  |  | 485 | 0
Significant Transactions [Line Items] |  |  |  |
Cash paid for the acquisition | $ 479 |  | 483 | $ 0
Ivantis |  |  |  |
Significant Transactions [Line Items] |  |  |  |
Cash paid for the acquisition | $ 479 |  | $ 475 |
Percentage of outstanding shares acquired | 100.00% |  |  |
Forecast | Ivantis |  |  |  |
Significant Transactions [Line Items] |  |  |  |
Cash paid for the acquisition |  | $ 2 |  |

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