Registration of securities issued in business combination transactions

CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)

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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
CONSOLIDATED STATEMENTS OF CASH FLOWS          
(Decreased) increased of capital expenditures in accounts payable $ (25) $ (25) $ (16) $ 31 $ 16
Stock-based compensation $ 7 $ 7 $ 28 $ 26 $ 22