Condensed Consolidated Balance Sheet (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Common stock - par value	$ 0.001	$ 0.001
Common stock - shares authorized	3,580	3,580
Common stock - shares issued	1,242	1,294
Common stock - shares outstanding	1,242	1,294
Treasury stock - shares	362	296