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QUARTERLY INFORMATION (unaudited) - Additional Information (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | 3 Months Ended | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2011
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Jun. 30, 2011
|
Dec. 31, 2010
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Mar. 31, 2010
|
Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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Dec. 31, 2011
U.S. Domestic Package
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Jun. 30, 2011
U.S. Domestic Package
|
Dec. 31, 2010
U.S. Domestic Package
|
Sep. 30, 2010
U.S. Domestic Package
|
Mar. 31, 2010
U.S. Domestic Package
|
Dec. 31, 2011
Supply Chain & Freight
|
Jun. 30, 2011
Supply Chain & Freight
|
Dec. 31, 2010
Supply Chain & Freight
|
Mar. 31, 2010
Supply Chain & Freight
Specialized transportation and express freight business
|
Dec. 31, 2010
Supply Chain & Freight
UPS Logistics Technologies Inc
|
Dec. 31, 2010
Supply Chain & Freight
Financial Guarantee
|
Dec. 31, 2011
International Package
|
Dec. 31, 2010
International Package
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Mar. 31, 2010
Germany
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| Quarterly Financial Information [Line Items] | |||||||||||||||||||||
| Gain (Loss) on sale of real estate | $ (15) | $ 109 | $ 48 | ||||||||||||||||||
| Increase (Decrease) in net income | (527) | 20 | (43) | (175) | 61 | ||||||||||||||||
| Increase (Decrease) in basic and diluted earnings per share | $ (0.54) | $ 0.02 | $ (0.04) | $ 0.06 | |||||||||||||||||
| Increase (Decrease) in basic earnings per share | $ (0.17) | ||||||||||||||||||||
| Increase (Decrease) in diluted earnings per share | $ (0.18) | ||||||||||||||||||||
| Impact of pension mark-to-market | (827) | (112) | (479) | (31) | (177) | (39) | (171) | (42) | |||||||||||||
| Restructuring charge related to reorganization of domestic management structure | 98 | ||||||||||||||||||||
| Gain (Loss) on sale of business, pre-tax | (38) | 71 | (13) | ||||||||||||||||||
| Income Tax Expense | $ 1,972 | $ 1,952 | $ 1,105 | $ 76 | |||||||||||||||||