v2.4.0.6
Risk Management Activities and Fair Value Measurements - Financial Assets and Liabilities that are Measured at Fair Value on a Recurring Basis (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Jun. 30, 2011
Assets at fair value:    
Investment securities $ 29 $ 39
Total assets at fair value 341 [1] 389 [1]
Liabilities at fair value:    
Total liabilities at fair value 511 [2] 301 [2]
Foreign currency hedges
    
Assets at fair value:    
Derivative assets 0 1
Liabilities at fair value:    
Derivative liabilities 169 119
Other Foreign Currency Instruments
    
Assets at fair value:    
Derivative assets 30 [3] 182 [3]
Liabilities at fair value:    
Derivative liabilities 272 [3] 43 [3]
Interest Rate
    
Assets at fair value:    
Derivative assets 275 163
Derivatives in Net Investment Hedging Relationships
    
Assets at fair value:    
Derivative assets 6 0
Liabilities at fair value:    
Derivative liabilities 70 138
Commodities
    
Assets at fair value:    
Derivative assets 1 4
Liabilities at fair value:    
Derivative liabilities 0 1
Fair Value, Inputs, Level 1
    
Assets at fair value:    
Investment securities 7 16
Total assets at fair value 7 [1] 16 [1]
Liabilities at fair value:    
Total liabilities at fair value 0 [2] 0 [2]
Fair Value, Inputs, Level 1 | Foreign currency hedges
    
Assets at fair value:    
Derivative assets 0 0
Liabilities at fair value:    
Derivative liabilities 0 0
Fair Value, Inputs, Level 1 | Other Foreign Currency Instruments
    
Assets at fair value:    
Derivative assets 0 [3] 0 [3]
Liabilities at fair value:    
Derivative liabilities 0 [3] 0 [3]
Fair Value, Inputs, Level 1 | Interest Rate
    
Assets at fair value:    
Derivative assets 0 0
Fair Value, Inputs, Level 1 | Derivatives in Net Investment Hedging Relationships
    
Assets at fair value:    
Derivative assets 0 0
Liabilities at fair value:    
Derivative liabilities 0 0
Fair Value, Inputs, Level 1 | Commodities
    
Assets at fair value:    
Derivative assets 0 0
Liabilities at fair value:    
Derivative liabilities 0 0
Fair Value, Inputs, Level 2
    
Assets at fair value:    
Investment securities 0 0
Total assets at fair value 312 [1] 350 [1]
Liabilities at fair value:    
Total liabilities at fair value 511 [2] 301 [2]
Fair Value, Inputs, Level 2 | Foreign currency hedges
    
Assets at fair value:    
Derivative assets 0 1
Liabilities at fair value:    
Derivative liabilities 169 119
Fair Value, Inputs, Level 2 | Other Foreign Currency Instruments
    
Assets at fair value:    
Derivative assets 30 [3] 182 [3]
Liabilities at fair value:    
Derivative liabilities 272 [3] 43 [3]
Fair Value, Inputs, Level 2 | Interest Rate
    
Assets at fair value:    
Derivative assets 275 163
Fair Value, Inputs, Level 2 | Derivatives in Net Investment Hedging Relationships
    
Assets at fair value:    
Derivative assets 6 0
Liabilities at fair value:    
Derivative liabilities 70 138
Fair Value, Inputs, Level 2 | Commodities
    
Assets at fair value:    
Derivative assets 1 4
Liabilities at fair value:    
Derivative liabilities 0 1
Fair Value, Inputs, Level 3
    
Assets at fair value:    
Investment securities 22 23
Total assets at fair value 22 [1] 23 [1]
Liabilities at fair value:    
Total liabilities at fair value 0 [2] 0 [2]
Fair Value, Inputs, Level 3 | Foreign currency hedges
    
Assets at fair value:    
Derivative assets 0 0
Liabilities at fair value:    
Derivative liabilities 0 0
Fair Value, Inputs, Level 3 | Other Foreign Currency Instruments
    
Assets at fair value:    
Derivative assets 0 [3] 0 [3]
Liabilities at fair value:    
Derivative liabilities 0 [3] 0 [3]
Fair Value, Inputs, Level 3 | Interest Rate
    
Assets at fair value:    
Derivative assets 0 0
Fair Value, Inputs, Level 3 | Derivatives in Net Investment Hedging Relationships
    
Assets at fair value:    
Derivative assets 0 0
Liabilities at fair value:    
Derivative liabilities 0 0
Fair Value, Inputs, Level 3 | Commodities
    
Assets at fair value:    
Derivative assets 0 0
Liabilities at fair value:    
Derivative liabilities $ 0 $ 0
[1] Investment securities are presented in other noncurrent assets and all derivative assets are presented in prepaid expenses and other current assets or other noncurrent assets.
[2] All liabilities are presented in accrued and other liabilities or other noncurrent liabilities.
[3] Other foreign currency instruments are comprised of foreign currency financial instruments that do not qualify as hedges.