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v3.20.1

Restructuring (Summary Of Changes To Restructuring-Related Liabilities) (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Restructuring Reserve [Roll Forward] |  |
Balance as of January 1, 2020 | $ 6 |
Restructuring expense | (44) | $ (21)
Balance as of March 31, 2020 | 25 |
Americas |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of January 1, 2020 | 2 |
Balance as of March 31, 2020 | 14 |
International [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of January 1, 2020 | 4 |
Balance as of March 31, 2020 | 11 |
2020 Optimization [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring expense | (26) |
Payment for Restructuring | (3) |
2020 Optimization [Member] | Americas |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring expense | (15) |
Payment for Restructuring | (1) |
2020 Optimization [Member] | International [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring expense | (11) |
Payment for Restructuring | (2) |
Brazil Restructuring [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring expense | (1) |
Payment for Restructuring | (1) |
Brazil Restructuring [Member] | Americas |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring expense | (1) |
Payment for Restructuring | (1) |
Brazil Restructuring [Member] | International [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring expense | 0 |
Payment for Restructuring | 0 |
T19 Restructuring [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Payment for Restructuring | (4) |
T19 Restructuring [Member] | Americas |  |
Restructuring Reserve [Roll Forward] |  |
Payment for Restructuring | (2) |
T19 Restructuring [Member] | International [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Payment for Restructuring | (2) |
Personnel |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of January 1, 2020 | 3 |
Balance as of March 31, 2020 | 20 |
Personnel | 2020 Optimization [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring expense | (24) |
Payment for Restructuring | (3) |
Personnel | Brazil Restructuring [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring expense | (1) |
Payment for Restructuring | (1) |
Personnel | T19 Restructuring [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Payment for Restructuring | (4) |
Facility Closing [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of January 1, 2020 | 1 |
Balance as of March 31, 2020 | 3 |
Facility Closing [Member] | 2020 Optimization [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring expense | (2) |
Payment for Restructuring | 0 |
Facility Closing [Member] | Brazil Restructuring [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring expense | 0 |
Payment for Restructuring | 0 |
Facility Closing [Member] | T19 Restructuring [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Payment for Restructuring | 0 |
Other Restructuring [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of January 1, 2020 | 2 |
Balance as of March 31, 2020 | 2 |
Other Restructuring [Member] | 2020 Optimization [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring expense | 0 |
Payment for Restructuring | 0 |
Other Restructuring [Member] | Brazil Restructuring [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring expense | 0 |
Payment for Restructuring | 0 |
Other Restructuring [Member] | T19 Restructuring [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Payment for Restructuring | $ 0 |

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