v2.4.0.8
Quarterly Information (Unaudited) (Parenthetical) (Detail)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended
Jun. 30, 2014
USD ($)
Jun. 30, 2013
USD ($)
Mar. 31, 2013
Imposed Fine
USD ($)
Mar. 31, 2013
Imposed Fine
EUR (€)
Quarterly Financial Information [Line Items]        
Tax provision adjustment $ 458      
Decrease in diluted earnings per share arising from tax provision adjustment $ 0.05      
Fine imposed by the European Commission     733 561
Decrease in diluted earnings per share arising from EU fine     $ 0.09  
Surface RT inventory adjustments   $ 596    
Decrease in diluted earnings per share arising from Surface RT inventory adjustments   $ 0.07