Derivatives And Hedging Activities Cash Flow Hedges (Details)
lb in Thousands, ¥ in Millions, TRY in Millions, PLN in Millions, MXN in Millions, HUF in Millions, $ in Millions |
12 Months Ended |
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Sep. 30, 2018
USD ($)
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Sep. 30, 2017
USD ($)
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Sep. 30, 2016
USD ($)
lb
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Sep. 30, 2016
MXN
lb
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Sep. 30, 2016
HUF
lb
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Sep. 30, 2016
TRY
lb
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Sep. 30, 2016
CNY (¥)
lb
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Sep. 30, 2016
PLN
lb
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| Derivative [Line Items] |
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| Net derivative gains (losses) included in accumulated other comprehensive income, before tax |
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$ (78)
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| Net derivative gains (losses) included in accumulated other comprehensive income, after tax |
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(55)
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| Scenario, Forecast | Cost of Sales |
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| Derivative [Line Items] |
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| Loss Reclassified from Accumulated OCI into Income (Effective Portion) |
$ (9)
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$ (69)
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| Cash Flow Hedging |
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| Derivative [Line Items] |
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| Additional Foreign Currency and Commodity Forward Contracts, Individually Less Than |
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$ 10
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| Cash Flow Hedging | Copper |
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| Derivative [Line Items] |
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| Notional amount of derivative, nonmonetary (in lbs) | lb |
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55,257
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55,257
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55,257
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55,257
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55,257
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55,257
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| Notional amount of derivative |
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$ 120
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| Cash Flow Hedging | Foreign currency derivatives | Mexican Peso |
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| Derivative [Line Items] |
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| Notional amount of derivative |
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510
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MXN 9,837
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| Cash Flow Hedging | Foreign currency derivatives | Chinese Yuan Renminbi |
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| Derivative [Line Items] |
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| Notional amount of derivative |
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480
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¥ 3,192
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| Cash Flow Hedging | Foreign currency derivatives | Polish Zloty |
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| Derivative [Line Items] |
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| Notional amount of derivative |
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70
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PLN 271
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| Cash Flow Hedging | Foreign currency derivatives | New Turkish Lira |
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| Derivative [Line Items] |
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| Notional amount of derivative |
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65
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TRY 196
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| Cash Flow Hedging | Foreign currency derivatives | Hungarian Forint |
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| Derivative [Line Items] |
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| Notional amount of derivative |
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$ 50
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HUF 14,153
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