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Goodwill and Other Intangible Assets - Goodwill (Detail) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Intangible assets |  |  |  |
Goodwill | $ 6,532 | $ 6,532 | $ 6,430 | $ 6,247
Increase in goodwill during the period |  | 102 |  |
Goodwill impairment charges | 27 | 27 | 6 | $ 34
Intangible assets | 1,088 | 1,088 | 1,118 |
Less: Accumulated amortization | (567) | (567) | (546) |
Total | 521 | 521 | 572 |
Customer and Supplier Relationships [Member] |  |  |  |
Intangible assets |  |  |  |
Intangible assets | 906 | 906 | 949 |
Less: Accumulated amortization | (469) | (469) | (461) |
Total | 437 | 437 | 488 |
Non-compete Covenant [Member] |  |  |  |
Intangible assets |  |  |  |
Intangible assets | 72 | 72 | 60 |
Less: Accumulated amortization | (36) | (36) | (24) |
Total | 36 | 36 | 36 |
Licenses Permits and Other [Member] |  |  |  |
Intangible assets |  |  |  |
Intangible assets | 110 | 110 | 109 |
Less: Accumulated amortization | (62) | (62) | (61) |
Total | 48 | 48 | $ 48 |
Energy and Environmental Services [Member] |  |  |  |
Intangible assets |  |  |  |
Goodwill impairment charges | 17 | 17 |  |
Lamp Tracker Reporting Unit [Member] |  |  |  |
Intangible assets |  |  |  |
Goodwill impairment charges | $ 10 | $ 10 |  |

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