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v3.23.2

Revenue Recognition Contract Assets (Liabilities) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2023 | Sep. 30, 2022
Revenue from Contract with Customer [Abstract] |  |  |
Unbilled receivables (contract assets) | $ 1,385 | $ 1,385 | $ 1,390
Customer advances (contract liabilities) | (985) | (985) | (776)
Net contract liabilities | 400 | 400 | $ 614
Revenue recognized, included in beginning contract liability | 59 | 500 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |
Backlog | $ 8,200 | $ 8,200 |

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