Employee Benefit Plans - Individually Significant (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
Multiemployer Plans [Line Items] | |||
EIN | 73-1309529 | ||
Company Contributions | $ 52 | $ 47 | $ 47 |
Multiemployer Plan, Total Individually Significant Pension Plans [Member] | |||
Multiemployer Plans [Line Items] | |||
Company Contributions | 36 | 33 | 31 |
Automotive Industries Pension Plan [Member] | |||
Multiemployer Plans [Line Items] | |||
Company Contributions | 1 | 1 | 1 |
Suburban Teamsters of Northern Illinois Pension Plan [Member] | |||
Multiemployer Plans [Line Items] | |||
Company Contributions | 3 | 3 | 3 |
Western Conference of Teamsters Pension Plan [Member] | |||
Multiemployer Plans [Line Items] | |||
Company Contributions | 32 | 29 | 27 |
Multiemployer Plan, Aggregate Individually Insignificant Pension Plans [Member] | |||
Multiemployer Plans [Line Items] | |||
Company Contributions | $ 16 | $ 14 | $ 16 |