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Employee Benefit Plans - Multiemployer Info (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Multiemployer Plans [Line Items] |  |  |
High end of funded percentage of multiemployer plans in critical status | 65.00% |  |
High end of funded percentage of multiemployer plans in endangered status | 80.00% |  |
Surcharge percentage during first twelve months on contribution rates for plans certified as endangered, seriously endangered or critical | 5.00% |  |
Period for which surcharge is 5% on contribution rates for plans certified as endangered, seriously endangered or critical | 12 months |  |
Surcharge percentage after first twelve months on contribution rates for plans certified as endangered, seriously endangered or critical | 10.00% |  |
Multiemployer company contributions | $ 61 | $ 54 | $ 52
Minimum [Member] |  |  |
Multiemployer Plans [Line Items] |  |  |
Projected insolvency period | 15 years |  |
Maximum [Member] |  |  |
Multiemployer Plans [Line Items] |  |  |
Projected insolvency period | 20 years |  |
Suburban Teamsters of Northern Illinois Pension Plan [Member] |  |  |
Multiemployer Plans [Line Items] |  |  |
Minimum percentage of total contributions provided by the Company relating to multiemployer plans |  | 5.00% | 5.00%
Multiemployer Health and Welfare Plan [Member] |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer company contributions | $ 51 | $ 48 | $ 45

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- Definition Amount of cost for employer contribution to multiemployer plan. Multiemployer plan includes, but is not limited to, pension plan determined to be individually significant and insignificant and other postretirement benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 35 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=29639808&loc=d3e29008-114946 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450691-114947 + Details
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