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Derivatives And Hedging Activities Effect of Derivative Instruments in Consolidated Statement of Operations (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2014
Designated as Hedging Instrument [Member]
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Sep. 30, 2013
Designated as Hedging Instrument [Member]
|
Sep. 30, 2014
Designated as Hedging Instrument [Member]
|
Sep. 30, 2013
Designated as Hedging Instrument [Member]
|
Sep. 30, 2014
Not Designated as Hedging Instrument [Member]
|
Sep. 30, 2013
Not Designated as Hedging Instrument [Member]
|
Sep. 30, 2014
Not Designated as Hedging Instrument [Member]
|
Sep. 30, 2013
Not Designated as Hedging Instrument [Member]
|
Sep. 30, 2014
Commodity derivatives [Member]
Designated as Hedging Instrument [Member]
|
Sep. 30, 2013
Commodity derivatives [Member]
Designated as Hedging Instrument [Member]
|
Sep. 30, 2014
Commodity derivatives [Member]
Designated as Hedging Instrument [Member]
|
Sep. 30, 2013
Commodity derivatives [Member]
Designated as Hedging Instrument [Member]
|
Sep. 30, 2014
Commodity derivatives [Member]
Not Designated as Hedging Instrument [Member]
|
Sep. 30, 2013
Commodity derivatives [Member]
Not Designated as Hedging Instrument [Member]
|
Sep. 30, 2014
Commodity derivatives [Member]
Not Designated as Hedging Instrument [Member]
|
Sep. 30, 2013
Commodity derivatives [Member]
Not Designated as Hedging Instrument [Member]
|
Sep. 30, 2014
Foreign currency derivatives [Member]
Designated as Hedging Instrument [Member]
|
Sep. 30, 2013
Foreign currency derivatives [Member]
Designated as Hedging Instrument [Member]
|
Sep. 30, 2014
Foreign currency derivatives [Member]
Designated as Hedging Instrument [Member]
|
Sep. 30, 2013
Foreign currency derivatives [Member]
Designated as Hedging Instrument [Member]
|
Sep. 30, 2014
Foreign currency derivatives [Member]
Not Designated as Hedging Instrument [Member]
|
Sep. 30, 2013
Foreign currency derivatives [Member]
Not Designated as Hedging Instrument [Member]
|
Sep. 30, 2014
Foreign currency derivatives [Member]
Not Designated as Hedging Instrument [Member]
|
Sep. 30, 2013
Foreign currency derivatives [Member]
Not Designated as Hedging Instrument [Member]
|
Sep. 30, 2016
Scenario, Forecast [Member]
Cost of Sales [Member]
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Sep. 30, 2015
Scenario, Forecast [Member]
Cost of Sales [Member]
|
Sep. 30, 2015
Scenario, Forecast [Member]
Other Income [Member]
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| Derivative Instruments, Gain (Loss) [Line Items] | |||||||||||||||||||||||||||||||
| Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion | $ (38) | $ (32) | $ (38) | $ (13) | $ (19) | $ (31) | $ (25) | $ (10) | $ (13) | $ (7) | |||||||||||||||||||||
| Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion | 14 | 24 | |||||||||||||||||||||||||||||
| Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion | (4) | (11) | (6) | (1) | (3) | (8) | (13) | (17) | (1) | (3) | 5 | 17 | |||||||||||||||||||
| Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion | 7 | 16 | 1 | ||||||||||||||||||||||||||||
| Derivative Instruments, Gain Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||
| Derivative, Gain on Derivative | $ 22 | $ 1 | $ 22 | $ 1 | $ 0 | $ 0 | $ 0 | $ 0 | $ 22 | [1] | $ 1 | $ 22 | [1] | $ 1 | |||||||||||||||||
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