XML 27 R29.htm IDEA: XBRL DOCUMENT v2.4.0.8
Business and Basis of Presentation Correction of an Error in Prior Periods (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Operating Revenue $ 474 $ 335 $ 930 $ 623
Operating income (loss) 5 (146) 12 (127)
Provision (benefit) for income taxes 0 (157) (1) (158)
Net (loss) (85) (69) (167) (128)
Comprehensive income (loss) (83) (76) (163) (134)
Provision for deferred income taxes     (5) (160)
Accounts payable and accrued liabilities     (41) 5
Net cash provided by operating activities     202 139
Basic and diluted (loss) per common share ($ per share) $ (4.93) $ (4.58) $ (9.67) $ (10.12)
Scenario, Previously Reported [Member]
        
Operating Revenue   345   633
Operating income (loss)   (136)   (117)
Provision (benefit) for income taxes   (148)   (149)
Net (loss)   (68)   (127)
Comprehensive income (loss)   (75)   (133)
Provision for deferred income taxes       (151)
Accounts payable and accrued liabilities       (5)
Net cash provided by operating activities       139
Basic and diluted (loss) per common share ($ per share)   $ (4.56)   $ (10.08)
Restatement Adjustment [Member]
        
Operating Revenue   (10)   (10)
Operating income (loss)   (10)   (10)
Provision (benefit) for income taxes   (9)   (9)
Net (loss)   (1)   (1)
Comprehensive income (loss)   (1)   (1)
Provision for deferred income taxes       (9)
Accounts payable and accrued liabilities       10
Net cash provided by operating activities       $ 0
Basic and diluted (loss) per common share ($ per share)   $ (0.02)   $ (0.04)