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Details of Cash From Operating Activities - Changes in Operating Assets and Liabilities (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Statement of Cash Flows [Abstract]
Accounts receivable	$ 629	$ (351)
Inventories	104	(92)
Prepaid expenses and other	(21)	9
Accounts payable	(519)	265
Accrued salaries and wages	(34)	(3)
Other accrued liabilities	97	105
Income taxes payable	96	(86)
Changes in operating assets and liabilities	$ 352	$ (153)

X

- Definition

The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
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- Definition

The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.

+ References

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-Publisher FASB
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-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
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- Definition

The increase (decrease) during the period in accrued salaries.

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-Topic 230
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- Definition

The increase (decrease) during the reporting period in the amounts payable to taxing authorities for taxes that are based on the reporting entity's earnings, net of amounts receivable from taxing authorities for refunds of overpayments or recoveries of income taxes.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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-Topic 230
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-Section 45
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-Subparagraph (a)
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- Definition

The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.

+ References

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The increase (decrease) during the reporting period of all assets and liabilities used in operating activities.

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- Definition

The increase (decrease) during the reporting period in other expenses incurred but not yet paid.

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Amount of increase (decrease) in prepaid expenses, and assets classified as other.

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