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Supplemental Disclosures to the Consolidated Statements of Cash Flows (Tables) | 6 Months Ended
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Jun. 30, 2018
Supplemental Cash Flow Information [Abstract] |
Additional Information Concerning Acquisitions, Interest and Income Taxes Paid | The following schedule provides additional information concerning acquisitions, interest and income taxes paid for the six-month periods ended June 30, 2018 and 2017.
(In millions) |  | 2018 |  |  | 2017 |
Assets acquired, excluding cash |  | $ | 204 |  |  | $ | 576 |
Liabilities assumed |  | (28 | ) |  | (74 | )
Contingent/deferred purchase consideration |  | (32 | ) |  | (90 | )
Net cash outflow for current year acquisitions |  | $ | 144 |  |  | $ | 412 |
(In millions) | 2018 |  |  | 2017 |
Interest paid | $ | 107 |  |  | $ | 92 |
Income taxes paid, net of refunds | $ | 349 |  |  | $ | 297 |

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