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Supplemental Cash Flow Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Schedule of Cash Flow, Supplemental Disclosures [Line Items]
Interest paid	$ 114,000,000	$ 97,000,000
Property and equipment acquired	94,000,000
Foreign and State
Schedule of Cash Flow, Supplemental Disclosures [Line Items]
Income taxes paid	222,000,000	227,000,000
Domestic
Schedule of Cash Flow, Supplemental Disclosures [Line Items]
Income taxes paid	$ 0	$ 0

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Property, Plant And Equipment Acquired, Build-to-Suit Leases

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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