Leases Lessor Maturity Table (Details) $ in Millions	Mar. 31, 2020 USD ($)
Lessor, Lease, Description [Line Items]
Sales-type Lease, Lease Receivable	$ 370
MPC
Lessor, Lease, Description [Line Items]
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Current Year	129
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Next Twelve Months	157
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Three Years	157
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Three Years	158
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Four Years	158
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Thereafter	461
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received	1,220
Sales-type and Direct Financing Leases, Lease Receivable, Undiscounted Excess Amount	795
Sales-type Lease, Lease Receivable	$ 425

Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Current Year

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919391-209981

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- Definition

Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in fourth fiscal year following latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in the next fiscal year following latest fiscal year. Excludes interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases after fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in third fiscal year following latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

+ References

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Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in second fiscal year following latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest statement of financial position date.

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- Definition

Amount of undiscounted lease receivable in excess of discounted receivable for sales-type and direct financing leases.

+ References

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- Definition

Present value of lease payments not yet received by lessor and amount expected to be derived from underlying asset, following end of lease term guaranteed by lessee or other third party unrelated to lessor, from sales-type lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919379-209981

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