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v3.22.2.2

Equity - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Pension and postretirement plans |  |  |
Accumulated other comprehensive loss, end of period | $ (911) | $ (434) | $ (776)
Foreign currency translation adjustments |  |  |
Foreign currency translation adjustments |  |  |
Balance at beginning of period | (421) | (778) | (785)
Aggregate adjustment for the period (net of tax effect of $0, $0 and $1) | (480) | 357 | 7
Balance at end of period | (901) | (421) | (778)
Aggregate adjustment for the period, tax | 0 | 0 | 1
Realized and unrealized gains (losses) on derivatives |  |  |
Realized and unrealized gains (losses) on derivatives |  |  |
Balance at beginning of period | (17) | 2 | (2)
Current period changes in fair value (net of tax effect of $2, $5 and $1) | 18 | (8) | 3
Reclassification to income (net of tax effect of $(4), $(3) and $0) (1) | (12) | (11) | 1
Balance at end of period | (11) | (17) | 2
Changes in fair value, tax | 2 | 5 | 1
Reclassification to income, tax | (4) | (3) | 0
Pension and postretirement plans |  |  |
Pension and postretirement plans |  |  |
Balance at beginning of period | 4 | 0 | (8)
Reclassification to income (net of tax effect of $0, $0 and $(1)) | (3) | (3) | (1)
Other changes (net of tax effect of $0, $(1) and $4) | 0 | 7 | 9
Balance at end of period | 1 | 4 | 0
Reclassification to income, tax | 0 | 0 | (1)
Other changes (tax) | $ 0 | $ (1) | $ 4

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