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v3.19.3.a.u2

Restructuring - Additional Information (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2019 USD ($) Employee | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Charges | $ 80 | $ 22 | $ 63
T19 Restructuring [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Charges | $ 55 |  |
Restructuring and Related Cost, Expected Number of Positions Eliminated | Employee | 540 |  |
Restructuring and Related Cost, Number of Positions Eliminated | Employee | 440 |  |
Payments for Restructuring | $ (51) |  |
Brazil Restructuring [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Charges | $ 7 |  |
Restructuring and Related Cost, Number of Positions Eliminated | Employee | 195 |  |
Payments for Restructuring | $ (6) |  |
Restructuring and Related Cost, Expected Cost Remaining | $ 8 |  |

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