Receivables, Net (Details) - USD ($) $ in Millions	15 Months Ended
Mar. 31, 2019	Dec. 31, 2018
Receivables, Net
Trade accounts receivable	$ 958	$ 812
Unbilled receivables	477	478
Less allowances for doubtful accounts	(9)	(10)
Net trade accounts receivable	1,426	1,280
Other receivables	459	522
Receivables, net	1,885	1,802
Maximum available sale of the accounts receivables under factoring program	1,200
Amount of accounts receivable available for sale under the factoring program	$ 192	$ 178

Represents the maximum amount of sale of receivables under an accounts receivable factoring program.

No definition available.

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- Definition

The amount of receivables that were available for sale under the factoring program as of the end of the period.

+ References

No definition available.

+ Details

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- Definition

Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ References

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- Definition

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer.

+ References

No definition available.

+ Details

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- References

No definition available.

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- Definition

The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

+ References

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- Definition

Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.

+ References

No definition available.

+ Details

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