Quarterly report pursuant to Section 13 or 15(d)

Earnings (Loss) Per Common Share (Earrings Per Share Basic and Diluted) (Details)

v2.4.0.8
Earnings (Loss) Per Common Share (Earrings Per Share Basic and Diluted) (Details)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended 15 Months Ended 3 Months Ended 9 Months Ended 0 Months Ended
Sep. 30, 2014
Interactive Group
Sep. 30, 2013
Interactive Group
Sep. 30, 2014
Interactive Group
Sep. 30, 2013
Interactive Group
Sep. 30, 2014
Interactive Group
Sep. 30, 2014
Ventures Group
Sep. 30, 2013
Ventures Group
Sep. 30, 2014
Ventures Group
Sep. 30, 2013
Ventures Group
Apr. 11, 2014
Common Class A
Ventures Group
Apr. 11, 2014
Common Class B
Ventures Group
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]                      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount     2 2 2            
Basic EPS (in shares) 477 513 486 524   73 72 73 72    
Potentially dilutive shares (in shares) 10 10 10 8   1 2 1 2    
Diluted EPS (in shares) 487 523 496 532   74 74 74 74    
Stock split, conversion ratio                   2 2