CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Supplemental Disclosures) (USD $) Share data in Millions, unless otherwise specified	2 Months Ended	0 Months Ended
	Mar. 31, 2013	Jan. 28, 2013 Merged Business	Mar. 31, 2013 Merged Business
Purchase price		$ 2,700,000,000
Number of shares of common stock issued for acquisition	35.2	35.2
Shares of common stock issued for acquisition		1,800,000,000
Debt assumed		$ 967,000,000	$ 967,000,000