Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- Definition

Realized gain (loss) on derivative recognized in earnings

+ References

No definition available.

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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611

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- Definition

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.

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- Definition

Date the derivative contract matures, in CCYY-MM-DD format.

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- Definition

Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959

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- Definition

Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4EE
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109999712-113959

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Derivative Instruments - Additional Information (Details) - USD ($)		12 Months Ended
	Aug. 09, 2018	Dec. 31, 2018
SCL Senior Notes [Member]
Derivative [Line Items]
Cumulative fair value hedging adjustment included in the carrying amount of the SCL Senior Notes		$ 15,000,000
Fair Value Hedging [Member] \| Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, notional amount	$ 5,500,000,000.00
Derivative, maturity date	Aug. 08, 2020
Fair Value Hedging [Member] \| Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member] \| Other Income (Expense) [Member]
Derivative [Line Items]
Derivative, gain (loss) from change in fair value of interest rate swaps and SCL Senior Notes		0
Fair Value Hedging [Member] \| Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member] \| Interest Expense [Member]
Derivative [Line Items]
Derivative, realized gain (loss) on interest rate swaps		9,000,000
Fair Value Hedging [Member] \| Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member] \| Fair Value, Inputs, Level 2 [Member]
Derivative [Line Items]
Derivative, fair value		56,000,000
Fair Value Hedging [Member] \| Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member] \| Fair Value, Inputs, Level 2 [Member] \| Other Assets, Net [Member]
Derivative [Line Items]
Derivative, fair value		15,000,000
Fair Value Hedging [Member] \| Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member] \| Fair Value, Inputs, Level 2 [Member] \| Accounts Receivable, Net [Member]
Derivative [Line Items]
Derivative, fair value		$ 41,000,000