Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Parenthetical)

v2.4.0.6
Condensed Consolidated Statements of Cash Flows (Parenthetical) (USD $)
In Billions, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Other Significant Noncash Transactions [Line Items]  
Non-cash financing activities $ 1.1