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Restructuring - Narrative (Details) - Cost Alignment Plan - USD ($) $ in Millions	3 Months Ended		4 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2016
Restructuring Cost and Reserve [Line Items]
Pre-tax charges recorded during period	$ 9	$ 229
Restructuring liabilities	176	$ 222	$ 176
Payments for severance	45
Pre-tax restructuring charges incurred to-date			238
Minimum
Restructuring Cost and Reserve [Line Items]
Expected total pre-tax charges	270		270
Maximum
Restructuring Cost and Reserve [Line Items]
Expected total pre-tax charges	290		$ 290
Severance
Restructuring Cost and Reserve [Line Items]
Payments for severance	$ 45

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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Amount expected to be recognized in earnings for the specified restructuring cost.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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