Condensed Consolidated Balance Sheets (Parenthetical) In Millions, except Share data, unless otherwise specified	Mar. 31, 2014 USD ($)	Mar. 31, 2014 EUR (€)	Dec. 31, 2013 USD ($)	Dec. 31, 2013 EUR (€)
Trade and other receivables, allowances for doubtful accounts and sales returns	$ 43		$ 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	379,571,188	379,571,188	379,044,531	379,044,531
Common stock, shares outstanding	378,915,290	378,915,290	378,635,464	378,635,464