Acquisition - Additional Information (Detail) - USD ($) $ in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
May 10, 2019 |
Dec. 31, 2019 |
Dec. 30, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Business Acquisition [Line Items] | |||||
| Amortization of intangible assets | $ 97 | $ 50 | $ 89 | ||
| Finite-lived intangible assets had a weighted-average remaining useful life | 7 years 9 months 18 days | 6 years 6 months | |||
| Revenue | $ 14,539 | $ 14,198 | $ 13,600 | ||
| eFront [Member] | |||||
| Business Acquisition [Line Items] | |||||
| Business acquisition, percentage of equity interest acquired | 100.00% | ||||
| Business acquisition purchase price, excluding settlement of debt | $ 1,300 | ||||
| Amortization of intangible assets | $ 38 | ||||
| Finite-lived intangible assets had a weighted-average remaining useful life | 9 years | ||||
| Revenue | $ 96 | ||||
| eFront [Member] | Minimum [Member] | |||||
| Business Acquisition [Line Items] | |||||
| Finite-lived intangible asset, useful life | 4 years | ||||
| eFront [Member] | Maximum [Member] | |||||
| Business Acquisition [Line Items] | |||||
| Finite-lived intangible asset, useful life | 10 years | ||||