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Cash Flow Information (Details) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
Supplemental Cash Flow Elements [Abstract] |  |
Interest paid | $ 111 | $ 84
Income taxes paid | 80 | 121
Treasury stock purchases settled after the balance sheet date | $ 0 | $ 12

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- Definition Future cash outflow to pay for treasury stock purchases that have occurred. + References No definition available. + Details
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X
- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586 + Details
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- Definition Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to 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; classified as operating and investing activities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586 + Details
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- References No definition available. + Details
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