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Restructuring and Related Implementation Charges (Details 3) (Two Thousand Twelve Restructuring Program [Member], USD $)
In Millions, unless otherwise specified |
Mar. 31, 2015
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|---|---|
| Restructuring Cost and Reserve [Line Items] | |
| Pretax Charges Related To The Restructuring Program To Date | $ 846 |
| Aftertax Charges Related To The Restructuring Program To Date | 623 |
| Employee-Related Costs [Member] | |
| Restructuring Cost and Reserve [Line Items] | |
| Pretax Charges Related To The Restructuring Program To Date | 330 |
| Incremental Depreciation [Member] | |
| Restructuring Cost and Reserve [Line Items] | |
| Pretax Charges Related To The Restructuring Program To Date | 57 |
| Asset Impairment [Member] | |
| Restructuring Cost and Reserve [Line Items] | |
| Pretax Charges Related To The Restructuring Program To Date | 2 |
| Other Restructuring [Member] | |
| Restructuring Cost and Reserve [Line Items] | |
| Pretax Charges Related To The Restructuring Program To Date | $ 457 |