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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $)
In Millions, unless otherwise specified |
Total
USD ($)
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Class A common stock
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Class B common stock
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Class C common stock
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Additional Paid-in Capital
USD ($)
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Accumulated Income
USD ($)
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Accumulated Other Comprehensive Income
USD ($)
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beginning Balance at Sep. 30, 2013 | $ 26,870 | $ 18,875 | $ 7,974 | $ 21 | ||||||||||||||
| Beginning Balance (in shares) at Sep. 30, 2013 | 508 | 245 | 27 | |||||||||||||||
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||||||||||||||
| Net income | 1,407 | [1],[2] | 1,407 | |||||||||||||||
| Other comprehensive income, net of tax | 22 | 22 | ||||||||||||||||
| Comprehensive income | 1,429 | |||||||||||||||||
| Issuance of restricted stock awards (in shares) | [3] | 0 | ||||||||||||||||
| Conversion of class C common stock upon sale into public market (in shares) | (1) | (1) | ||||||||||||||||
| Share-based compensation | 45 | 45 | ||||||||||||||||
| Excess tax benefit for share-based compensation | 54 | 54 | ||||||||||||||||
| Cash proceeds from exercise of stock options (in shares) | 1 | |||||||||||||||||
| Cash proceeds from exercise of stock options | 38 | 38 | ||||||||||||||||
| Restricted stock instruments settled in cash for taxes shares (in shares) | [4] | 0 | ||||||||||||||||
| Restricted stock and performance shares settled in cash for taxes(2) | [4] | (77) | (77) | |||||||||||||||
| Cash dividends declared and paid, at a quarterly amount of $0.40 per as-converted share (Note 7) | (254) | (254) | ||||||||||||||||
| Repurchase of class A common stock (Note 7) (in shares) | (5) | [5] | (5) | |||||||||||||||
| Repurchase of class A common stock (Note 7) | (1,091) | (233) | (858) | |||||||||||||||
| Ending Balance at Dec. 31, 2013 | $ 27,014 | $ 18,702 | $ 8,269 | $ 43 | ||||||||||||||
| Ending Balance (in shares) at Dec. 31, 2013 | 505 | 245 | 26 | |||||||||||||||
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