Condensed Consolidated Balance Sheets (Parenthetical) In Millions, except Share data, unless otherwise specified	Sep. 30, 2014 USD ($)	Sep. 30, 2014 EUR (€)	Dec. 31, 2013 USD ($)	Dec. 31, 2013 EUR (€)
Statement Of Financial Position [Abstract]
Trade and other receivables, allowances for doubtful accounts and sales returns	$ 31		$ 39
Common stock, par value		€ 0.07		€ 0.07
Common stock, shares authorized	1,185,800,000	1,185,800,000	1,185,800,000	1,185,800,000
Common stock, shares issued	382,509,366	382,509,366	379,044,531	379,044,531
Common stock, shares outstanding	381,074,001	381,074,001	378,635,464	378,635,464