Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, Authorized shares	500,000,000	500,000,000
Preferred stock, Issued shares	0	0
Preferred stock, Outstanding shares	0	0
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, Authorized shares	5,000,000,000	5,000,000,000
Common stock, Issued shares	486,000,000	483,000,000
Common stock, Outstanding shares	462,000,000	459,000,000