v3.5.0.2
Fair Values of Derivative Instruments (Detail) - USD ($)
$ in Millions
Sep. 30, 2016
Jun. 30, 2016
Short-term Investments    
Derivatives, Fair Value [Line Items]    
Derivative Assets $ 51 $ 73
Net amount, assets (4) (5)
Short-term Investments | Eligible for Offsetting    
Derivatives, Fair Value [Line Items]    
Derivative Assets 50 69
Gross amounts of derivatives offset on the balance sheet, assets (54) (74)
Net amounts presented on the balance sheet, assets (4) (5)
Gross amounts of derivatives not offset on the balance sheet, assets 0 0
Cash collateral received, assets 0 0
Short-term Investments | Non-designated Hedge Derivatives    
Derivatives, Fair Value [Line Items]    
Derivative Assets 43 72
Short-term Investments | Non-designated Hedge Derivatives | Foreign Exchange Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 12 33
Short-term Investments | Non-designated Hedge Derivatives | Equity Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 20 23
Short-term Investments | Non-designated Hedge Derivatives | Interest Rate Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 5 10
Short-term Investments | Non-designated Hedge Derivatives | Credit Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 5 6
Short-term Investments | Non-designated Hedge Derivatives | Commodity Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 1 0
Short-term Investments | Designated Hedge Derivatives    
Derivatives, Fair Value [Line Items]    
Derivative Assets 8 1
Short-term Investments | Designated Hedge Derivatives | Foreign Exchange Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 8 1
Short-term Investments | Designated Hedge Derivatives | Equity Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 0 0
Other Current Assets    
Derivatives, Fair Value [Line Items]    
Derivative Assets 480 548
Net amount, assets 393 246
Other Current Assets | Eligible for Offsetting    
Derivatives, Fair Value [Line Items]    
Derivative Assets 480 548
Gross amounts of derivatives offset on the balance sheet, assets (87) (302)
Net amounts presented on the balance sheet, assets 393 246
Gross amounts of derivatives not offset on the balance sheet, assets 0 0
Cash collateral received, assets 0 0
Other Current Assets | Non-designated Hedge Derivatives    
Derivatives, Fair Value [Line Items]    
Derivative Assets 134 156
Other Current Assets | Non-designated Hedge Derivatives | Foreign Exchange Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 134 156
Other Current Assets | Non-designated Hedge Derivatives | Equity Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 0 0
Other Current Assets | Non-designated Hedge Derivatives | Interest Rate Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 0 0
Other Current Assets | Non-designated Hedge Derivatives | Credit Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 0 0
Other Current Assets | Non-designated Hedge Derivatives | Commodity Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 0 0
Other Current Assets | Designated Hedge Derivatives    
Derivatives, Fair Value [Line Items]    
Derivative Assets 346 392
Other Current Assets | Designated Hedge Derivatives | Foreign Exchange Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 346 392
Other Current Assets | Designated Hedge Derivatives | Equity Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 0 0
Equity and Other Investments    
Derivatives, Fair Value [Line Items]    
Derivative Assets 8 18
Net amount, assets (15) (7)
Equity and Other Investments | Eligible for Offsetting    
Derivatives, Fair Value [Line Items]    
Derivative Assets 8 18
Gross amounts of derivatives offset on the balance sheet, assets (23) (25)
Net amounts presented on the balance sheet, assets (15) (7)
Gross amounts of derivatives not offset on the balance sheet, assets 0 0
Cash collateral received, assets 0 0
Equity and Other Investments | Non-designated Hedge Derivatives    
Derivatives, Fair Value [Line Items]    
Derivative Assets 0 0
Equity and Other Investments | Non-designated Hedge Derivatives | Foreign Exchange Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 0 0
Equity and Other Investments | Non-designated Hedge Derivatives | Equity Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 0 0
Equity and Other Investments | Non-designated Hedge Derivatives | Interest Rate Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 0 0
Equity and Other Investments | Non-designated Hedge Derivatives | Credit Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 0 0
Equity and Other Investments | Non-designated Hedge Derivatives | Commodity Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 0 0
Equity and Other Investments | Designated Hedge Derivatives    
Derivatives, Fair Value [Line Items]    
Derivative Assets 8 18
Equity and Other Investments | Designated Hedge Derivatives | Foreign Exchange Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 0 0
Equity and Other Investments | Designated Hedge Derivatives | Equity Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Assets 8 18
Other Current Liabilities    
Derivatives, Fair Value [Line Items]    
Derivative Liabilities (187) (630)
Net amount, liabilities (271) (482)
Other Current Liabilities | Eligible for Offsetting    
Derivatives, Fair Value [Line Items]    
Derivative Liabilities (187) (630)
Gross amounts of derivatives offset on the balance sheet, liabilities 161 398
Net amounts presented on the balance sheet, liabilities (26) (232)
Gross amounts of derivatives not offset on the balance sheet, liabilities 0 0
Cash collateral received, liabilities (245) (250)
Other Current Liabilities | Non-designated Hedge Derivatives    
Derivatives, Fair Value [Line Items]    
Derivative Liabilities (88) (342)
Other Current Liabilities | Non-designated Hedge Derivatives | Foreign Exchange Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Liabilities (68) (296)
Other Current Liabilities | Non-designated Hedge Derivatives | Equity Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Liabilities (3) (16)
Other Current Liabilities | Non-designated Hedge Derivatives | Interest Rate Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Liabilities (12) (25)
Other Current Liabilities | Non-designated Hedge Derivatives | Credit Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Liabilities (5) (5)
Other Current Liabilities | Non-designated Hedge Derivatives | Commodity Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Liabilities 0 0
Other Current Liabilities | Designated Hedge Derivatives    
Derivatives, Fair Value [Line Items]    
Derivative Liabilities (99) (288)
Other Current Liabilities | Designated Hedge Derivatives | Foreign Exchange Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Liabilities (71) (263)
Other Current Liabilities | Designated Hedge Derivatives | Equity Contracts    
Derivatives, Fair Value [Line Items]    
Derivative Liabilities $ (28) $ (25)