Segment Information (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
---|---|---|
Jun. 30, 2013
|
Jun. 30, 2012
|
|
Segment Reporting Information [Line Items] | ||
Litigation charges | $ 15 | $ 16 |
Gain on Business Combination | 0 | 81 |
Distribution Solutions [Member]
|
||
Segment Reporting Information [Line Items] | ||
Percentage of Revenue Derived From Services | less than 2% | less than 2% |
Corporate [Member]
|
||
Segment Reporting Information [Line Items] | ||
Gain on Business Combination | 81 | |
Average Wholesale Price Litigation [Member]
|
||
Segment Reporting Information [Line Items] | ||
Litigation charges | 15 | 16 |
Average Wholesale Price Litigation [Member] | Operating Expense [Member] | Distribution Solutions [Member]
|
||
Segment Reporting Information [Line Items] | ||
Litigation charges | $ 15 | $ 16 |