v3.19.3

Basis of Presentation and Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Jan. 01, 2019	Dec. 31, 2018
Accounting Policies [Line Items]
Gain on Business Interruption Insurance Recovery		$ 0	$ 0	$ 0	$ 14
Operating Lease, Right-of-Use Asset	[1]	175		175
Interest costs capitalized		2	$ 7	10	$ 21
Current		345		345			$ 167
Non-current		62		62			34
Total		407		407			201
Debt service
Accounting Policies [Line Items]
Current		84		84			13
Non-current		7		7			8
Total		91		91			21
Construction major maintenance
Accounting Policies [Line Items]
Current		12		12			23
Non-current		22		22			24
Total		34		34			47
Security project insurance
Accounting Policies [Line Items]
Current		245		245			120
Non-current		31		31			0
Total		276		276			120
Other
Accounting Policies [Line Items]
Current		4		4			11
Non-current		2		2			2
Total		$ 6		$ 6			$ 13
Accounting Standards Update 2016-02 [Member]
Accounting Policies [Line Items]
Operating Lease, Right-of-Use Asset						$ 191
[1] The right-of-use assets associated with our operating leases as of September 30, 2019 are included in other assets on our Consolidated Condensed Balance Sheet.

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The net amount (to the extent disclosed within this portion of the income statement) by which an insurance settlement exceeds incremental costs incurred from the event causing an interruption of business, plus the insurance award for earnings lost from the event, such as a natural catastrophe, explosion or fire.

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Amount of lessee's right to use underlying asset under operating lease.

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