Annual report pursuant to Section 13 and 15(d)

QUARTERLY INFORMATION (unaudited) - Additional Information (Detail)

v3.6.0.2
QUARTERLY INFORMATION (unaudited) - Additional Information (Detail)
$ / shares in Units, $ in Millions
 3 Months Ended
Dec. 31, 2016
USD ($)
item
$ / shares
Jun. 30, 2016
USD ($)
Dec. 31, 2015
USD ($)
$ / shares
Jun. 30, 2015
USD ($)
$ / shares
Quarterly Financial Information [Line Items]        
Impact of pension mark-to-market $ 2,651   $ 118  
Increase (decrease) in net income $ 1,673   $ 79  
Increase (decrease) in basic and diluted earnings per share | $ / shares $ 1.91   $ 0.09  
Number of items impacting operating profit | item 2      
Basic | $ / shares       $ 0.73
Diluted | $ / shares       $ 0.72
U.S. Domestic Package        
Quarterly Financial Information [Line Items]        
Impact of pension mark-to-market $ 1,908   $ 62  
International Package        
Quarterly Financial Information [Line Items]        
Impact of pension mark-to-market 425   44  
Supply Chain & Freight        
Quarterly Financial Information [Line Items]        
Impact of pension mark-to-market 318   12  
National Master Agreement (NMA) [Domain]        
Quarterly Financial Information [Line Items]        
Increase (decrease) in net income       $ 665
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments   $ 1,066   1,066
Non-National Master Agreement (Non-NMA) [Domain]        
Quarterly Financial Information [Line Items]        
Increase (decrease) in net income     $ 22  
Increase (decrease) in basic and diluted earnings per share | $ / shares     $ 0.02  
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments $ 36   $ 36  
Non-National Master Agreement (Non-NMA) [Domain] | U.S. Domestic Package        
Quarterly Financial Information [Line Items]        
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments     33  
Non-National Master Agreement (Non-NMA) [Domain] | International Package        
Quarterly Financial Information [Line Items]        
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments     1  
Non-National Master Agreement (Non-NMA) [Domain] | Supply Chain & Freight        
Quarterly Financial Information [Line Items]        
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments     $ 2  
Supply Chain & Freight        
Quarterly Financial Information [Line Items]        
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments       82
International Package        
Quarterly Financial Information [Line Items]        
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments       27
U.S. Domestic Package        
Quarterly Financial Information [Line Items]        
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments       $ 957