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Segment Information - Schedule of consolidated non-current assets by geographic area (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets, including operating lease ROU assets | $ 1,599 | $ 1,550
U.S. |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets, including operating lease ROU assets | 681 | 686
Americas other than U.S. |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets, including operating lease ROU assets | 127 | 145
United Kingdom |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets, including operating lease ROU assets | 213 | 225
Ireland |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets, including operating lease ROU assets | 11 | 10
Other Europe, Middle East, & Africa |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets, including operating lease ROU assets | 357 | 309
Asia Pacific |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets, including operating lease ROU assets | $ 210 | $ 175

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- Definition Property, Plant And Equipment And Operating Lease Right-Of-Use Asset, After Accumulated Depreciation and Amortization + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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