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Leases (Supplemental Balance Sheet Information Related to Leases) (Details) $ in Millions | Dec. 31, 2019 USD ($)
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Operating leases: |
Operating lease right-of-use assets | $ 204
Current portion of operating lease liabilities | 51
Non-current portion of operating lease liabilities | 156
Total operating lease liabilities | 207
Finance leases: |
Property, plant and equipment | 27
Accumulated depreciation | (1)
Property, plant and equipment, net | 26
Accrued liabilities | 2
Other non-current liabilities | 11
Total finance lease liabilities | $ 13
Weighted average remaining lease term: |
Operating leases | 9 years 6 months
Finance leases | 7 years
Weighted average discount rate: |
Operating leases | 4.20%
Finance leases | 4.10%

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- Definition Present value of lessee's discounted obligation for lease payments from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 Reference 2: 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=77888419&loc=SL77918627-209977 + Details
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