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Segment Information (Tables) | 6 Months Ended
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Jun. 30, 2018
Segment Reporting [Abstract] |
Revenues and Operating Income by Geographic Segment | The following table presents the Company’s revenues and operating income by segment:
| Quarters Ended |  | Six Months Ended
| June 30, |  | June 30,
In millions | 2018 |  | 2017 |  | 2018 |  | 2017
Revenues |  |  |  |  |  |  |
U.S. | $ | 1,961.2 |  |  | $ | 2,048.4 |  |  | $ | 3,828.4 |  |  | $ | 3,977.4 |
International Lead Markets | 1,930.9 |  |  | 1,813.2 |  |  | 3,808.4 |  |  | 3,456.7 |
High Growth Markets | 1,014.0 |  |  | 1,679.2 |  |  | 1,986.2 |  |  | 3,216.4 |
Foundational Markets & Corporate | 447.8 |  |  | 508.9 |  |  | 869.8 |  |  | 1,075.1 |
Total revenues | $ | 5,353.9 |  |  | $ | 6,049.7 |  |  | $ | 10,492.8 |  |  | $ | 11,725.6 |
Operating Income |  |  |  |  |  |  |
U.S. | $ | 999.2 |  |  | $ | 1,072.9 |  |  | $ | 1,997.2 |  |  | $ | 2,020.8 |
International Lead Markets | 889.9 |  |  | 776.0 |  |  | 1,699.6 |  |  | 1,442.6 |
High Growth Markets | 282.7 |  |  | 349.5 |  |  | 517.0 |  |  | 650.2 |
Foundational Markets & Corporate | 90.5 |  |  | 96.7 |  |  | 191.6 |  |  | 215.5 |
Total operating income | $ | 2,262.3 |  |  | $ | 2,295.1 |  |  | $ | 4,405.4 |  |  | $ | 4,329.1 |

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