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Leases - Schedule of Components of Leases (Detail) - USD ($) $ in Millions | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Current portion of lease liabilities: |  |
Operating | $ 82 | $ 84
Financing | 29 | 30
Total | 111 | 114
Long-term portion of lease liability: |  |
Operating | 379 | 424
Financing | 240 | 250
Total | $ 619 | $ 674

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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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