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Leases - Assets and Liabilities of Lessee (Details) $ in Millions | Sep. 30, 2019 USD ($)
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Operating leases |
Right-of-use assets | $ 49
Lease liabilities |
Current lease liabilities | 9
Noncurrent lease liabilities | 39
Finance lease liability | 69
Finance leases |
Right-of-use assets | 74
Lease liabilities |
Current lease liabilities | 7
Non-current lease liabilities | $ 62
Weighted-average remaining lease term (in years) |
Operating leases | 16 years
Finance leases | 12 years
Weighted-average discount rate |
Operating leases | 3.70%
Finance leases | 1.90%
Consumers Energy Company |
Operating leases |
Right-of-use assets | $ 41
Lease liabilities |
Current lease liabilities | 8
Noncurrent lease liabilities | 33
Finance lease liability | 69
Finance leases |
Right-of-use assets | 74
Lease liabilities |
Current lease liabilities | 7
Non-current lease liabilities | $ 62
Weighted-average remaining lease term (in years) |
Operating leases | 14 years
Finance leases | 12 years
Weighted-average discount rate |
Operating leases | 3.70%
Finance leases | 1.90%
Related Party Lease |
Lease liabilities |
Finance lease liability | $ 25
Lease liabilities |
Current lease liabilities | 1
Related Party Lease | Consumers Energy Company |
Lease liabilities |
Finance lease liability | 25
Lease liabilities |
Current lease liabilities | $ 1

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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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