XML 89 R68.htm IDEA: XBRL DOCUMENT v2.4.0.8
Components of External Long - Term Debt (Parenthetical) (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Debt Instrument [Line Items]    
Revolving credit facility, maximum borrowing capacity $ 650 $ 650
Revolving credit facility, expiration date 2018-07  
Term loan $ 350 $ 350
Term loan, expiration date 2018-07