Accumulated Other Comprehensive Income (Loss) [Abstract]

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- Definition

Derivatives Qualifying as Hedges Adjustment [Roll Forward]

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Foreign Currency Translation Adjustment [Roll Forward]

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- Definition

Other Comprehensive Income Adjustments [Roll Forward]

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Other Comprehensive Income (Loss), Adjusments before Reclassification Adjustments and Tax

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Other Comprehensive Income (Loss) Before Reclassification Adjustments, Tax

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Other Comprehensive Income (Loss) Reclassification Adjustment Tax

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Other Comprehensive Income (Loss) Reclassification Adjustments Before Tax

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Pension and Other Postretirement Benefit Plans, Adjustment [Roll Forward]

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Accumulated unrealized gain (loss), after tax, on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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Amount before tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount of tax expense (benefit), before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount before tax and reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities and unrealized holding gain (loss) related to transfers of securities into the available-for-sale classification and out of the held-to-maturity classification.

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Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities and unrealized holding gain (loss) related to transfers of securities into the available-for-sale category and out of the held-to-maturity category.

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Amount before tax of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.

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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.

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Amount, before tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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Amount, before reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income for defined benefit plan.

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Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for net period benefit cost (credit) of defined benefit plan.

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Amount of tax (expense) benefit for reclassification adjustment from accumulated other comprehensive (income) loss of defined benefit plan.

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Amount before tax 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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Amount of tax expense (benefit), before reclassification adjustments, related to 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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Balance Type:	debit
Period Type:	duration

Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018	Jan. 01, 2018
Accumulated Other Comprehensive Income (Loss) [Abstract]
Cumulative Effect of New Accounting Principle in Period of Adoption					$ (14)
Foreign currency translation adjustments
Beginning Balance	$ (441)	$ (294)
Comprehensive income (loss) before reclassifications	(5)	62
Income taxes associated with comprehensive income (loss) before reclassifications	(4)	3
Reclassification from accumulated other comprehensive income (loss)	0	0
Income taxes reclassified into net earnings	0	0
Ending Balance	(450)	(229)
Hedge instruments
Beginning Balance	0	(1)
Comprehensive income (loss) before reclassifications	0	(5)
Income taxes associated with comprehensive income (loss) before reclassifications	0	1
Reclassification from accumulated other comprehensive income (loss)	0	1
Income taxes reclassified into net earnings	0	0
Ending Balance	0	(4)
Defined benefit postretirement plans
Beginning Balance	(235)	(198)
Comprehensive income (loss) before reclassifications	3	(4)
Income taxes associated with comprehensive income (loss) before reclassifications	3	1
Reclassification from accumulated other comprehensive income (loss)	3	2
Income taxes reclassified into net earnings	(1)	(1)
Ending Balance	(227)	(214)
Other
Beginning Balance	2	3
Comprehensive income (loss) before reclassifications	0	0
Income taxes associated with comprehensive income (loss) before reclassifications	0	0
Reclassification from accumulated other comprehensive income (loss)	0	0
Income taxes reclassified into net earnings	0	0
Ending Balance	2	3
Total
Beginning Balance	(674)	(490)
Comprehensive income (loss) before reclassifications	(2)	53
Income taxes associated with comprehensive income (loss) before reclassifications	(1)	5
Reclassification from accumulated other comprehensive income (loss)	3	3
Income taxes reclassified into net earnings	(1)	(1)
Ending Balance	$ (674)	$ (490)	$ (675)	$ (444)