Maximum Line Of Credit Potential Additional Increase

No definition available.

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Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
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-Section 50
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Weighted average interest rate of short-term debt outstanding calculated at point in time.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
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Period Type:	instant

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Notes Payable and Long-Term Debt - Narrative (Details) - USD ($)	Jun. 19, 2020	Jun. 30, 2020	Apr. 29, 2020	Mar. 13, 2020	Mar. 12, 2020	Dec. 31, 2019
Line of Credit Facility
Short-term borrowings		$ 45,000,000				$ 34,000,000
Short-term debt, weighted average interest rate, at point in time (in percent)		2.60%				2.50%
Debt weighted average interest rate (in percent)		2.50%				2.80%
Long-term debt		$ 3,014,000,000				$ 1,926,000,000
Current borrowing capacity		1,500,000,000
Letters of credit outstanding, amount		28,000,000				28,000,000
Estimate of Fair Value Measurement
Line of Credit Facility
Estimated fair value of senior unsecured notes		3,145,000,000				2,025,000,000
Change in Measurement
Line of Credit Facility
Estimated fair value of senior unsecured notes		138,000,000				106,000,000
Revolving Credit Facility
Line of Credit Facility
Maximum borrowing capacity				$ 1,500,000,000	$ 1,200,000,000
Potential additional increase to credit facility				1,000,000,000.0
Revolving Credit Facility \| Plan
Line of Credit Facility
Maximum borrowing capacity				$ 2,000,000,000.0
Senior Notes \| 4.625% Senior notes due 09/15/20 ($250 million par value)
Line of Credit Facility
Long-term debt	$ 250,000,000	$ 250,000,000				251,000,000
Debt instrument stated interest rate (in percent)	4.625%	4.625%
Debt instrument par value		$ 250,000,000
Senior Notes \| 2.650% Senior notes due 07/01/27 ($1,100 million par value)
Line of Credit Facility
Long-term debt		$ 1,087,000,000				$ 0
Debt instrument stated interest rate (in percent)	2.65%	2.65%
Debt instrument par value	$ 1,100,000,000	$ 1,100,000,000
Redemption rate ( in percent)	101.00%
Term loan \| Delay Draw Term Loan
Line of Credit Facility
Debt instrument par value			$ 750,000,000