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Supplemental Cash Flow Information (Tables) | 6 Months Ended
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Jun. 30, 2019
Supplemental Cash Flow Elements [Abstract] |
Schedule of cash flows related to interest, leases, and capital expenditures included in accounts payable | Cash flows related to interest, leases, and capital expenditures included in accounts payable were as follows:
| Six Months Ended June 30,
(in millions) | 2019 |  | 2018
Supplemental disclosures: |
Cash paid for income taxes, net of refunds | $ | 32 |  |  | $ | 8 |
Cash paid for interest | 52 |  |  | 52 |
Cash paid for amounts included in the measurement of lease liabilities*: |  |  |
Operating cash flows from finance leases | 3 |  |  |
Financing cash flows from finance leases | 3 |  |  |
Non-cash investing activities: |  |  |
Capital expenditures included in accounts payable | 8 |  |  | 8 |
(*)The lease standard was adopted on January 1, 2019 on a prospective basis. Therefore only 2019 disclosures are applicable to be included within the table above.

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