Consolidated Statement Of Shareholders' Equity (Parenthetical) - Jun. 30, 2015 - USD ($) shares in Millions, $ in Millions	Total
Statement of Stockholders' Equity [Abstract]
Issuance of common stock under stock option and benefit plans, shares	1.5
Issuance of common stock under stock option and benefit plans, excess income tax benefit	$ 46
Repurchase and retirement of common stock, shares	3.5
Cash dividends declared, per share of common stock	$ 0.69