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Acquisitions (Details) In Millions, except Share data, unless otherwise specified	Feb. 28, 2014 Company A USD ($)	Sep. 30, 2014 Company B USD ($)	Jul. 10, 2014 Company B EUR (€)	Jul. 10, 2014 Company B Share Group One	Jul. 10, 2014 Company B Share Group Two	Jul. 17, 2014 Company B Share Group Three USD ($)	Jul. 17, 2014 Company B Share Group Three EUR (€)	Jul. 10, 2014 Company B Share Group Three	Oct. 24, 2014 Subsequent Event Company A USD ($) M	Oct. 24, 2014 Subsequent Event Company A CNY	Oct. 14, 2014 Subsequent Event Company B	Oct. 14, 2014 Subsequent Event Company B Share Group One USD ($)	Oct. 14, 2014 Subsequent Event Company B Share Group One EUR (€)	Oct. 14, 2014 Subsequent Event Company B Share Group Two USD ($)	Oct. 14, 2014 Subsequent Event Company B Share Group Two EUR (€)	Oct. 24, 2014 Subsequent Event Share purchase agreement Company A USD ($)	Oct. 24, 2014 Subsequent Event Share purchase agreement Company A CNY	Oct. 24, 2014 Subsequent Event Share subscription agreement Company A USD ($)	Oct. 24, 2014 Subsequent Event Share subscription agreement Company A CNY
Acquisitions[Line Items]
Aggregate Purchase Price						$ 75	€ 55		$ 551	3,400		$ 680	€ 537	$ 210	€ 166	$ 230	1,400	$ 321	2,000
Agreement per share purchase price		$ 13.89	€ 11
Business Acquisition, duration constraint to sell shares(as months)									36	36
Shares acquired																157,245,200	157,245,200	233,639,000	233,639,000
Breakup fee	$ 20
Issued share capital percentage				42.70%	13.20%			4.40%			60.40%
Issued and outstanding share ownership percentage									51.00%	51.00%	66.80%					29.51%	29.51%