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Long-Term Debt - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Debt Instrument [Line Items] |  |  |  |
Gain (loss) on extinguishment of debt | $ (12) | $ 0 | $ (12) | $ (295)
Asset Based Revolving Credit Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity | 4,500 |  | 4,500 |
Senior Secured Term Loan A-6 Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity | 1,071 |  | 1,071 |
Senior Secured Term Loan A-7 Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity | 1,500 |  | 1,500 |
Senior Secured Term Loan B-12 Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity | 1,455 |  | 1,455 |
Senior Secured Term Loan B-13 Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity | 1,131 |  | 1,131 |
Senior Secured Term Loan B-14 Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maximum borrowing capacity | 500 |  | 500 |
Senior Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, principal amount | 2,350 |  | 2,350 |
Senior Notes [Member] | Senior Secured Notes Due 2031 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, principal amount | $ 850 |  | $ 850 |
Debt instrument, stated interest | 2.375% |  | 2.375% |
Senior Notes [Member] | Senior Secured Notes Due 2051 [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, principal amount | $ 1,500 |  | $ 1,500 |
Debt instrument, stated interest | 3.50% |  | 3.50% |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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