Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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Fair value of all derivative assets designated as hedges of net investment in foreign operations.

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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The cash inflow from borrowings supported by a written promise to pay an obligation that is uncollateralized (where debt is not backed by the pledge of collateral).

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Derivative Instruments (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Gain (Loss) on Derivative Instruments, Net, Pretax			$ (25)	$ 17
Gain (loss) on termination of derivative	$ 0	$ (15)	(35)	$ (4)
Senior Unsecured Notes 3.375% due 2024
Senior Unsecured Notes			600
Net Investment Hedging
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Assets, Fair Value	6		6
Interest rate swap liability \| Interest Rate Risk \| Designated as Hedging Instrument
Notional Amount	600		600
Derivative Asset, Fair Value, Gross Asset	1		1
Interest rate swap liability \| Cash Flow Hedging
Gain (loss) on termination of derivative			0
Interest rate swap liability \| Fair Value Hedging \| Designated as Hedging Instrument
Notional Amount	$ 500		$ 500		$ 500