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Debt - Accounts Receivable Securitization Facility - Narrative (Details) - USD ($)			12 Months Ended
	Mar. 09, 2020	Jul. 12, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Line of Credit Facility [Line Items]
Net repayments of securitization			$ 122,000,000	$ 18,000,000	$ 0
Proceeds from accounts receivable securitization facility			12,000,000	128,000,000	$ 0
Securitization Facility [Member]
Line of Credit Facility [Line Items]
Short-term debt				110,000,000
Securitization Facility [Member] | Special Purpose Entity [Member]
Line of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity	$ 125,000,000	$ 125,000,000
Increase in borrowing capacity		200,000,000
Receivable from securitization facility	125,000,000		33,000,000	$ 176,000,000
Weighted average interest rate on outstanding borrowings				2.00%
Proceeds from short-term debt				$ 128,000,000
Repayments of short-term debt				18,000,000
Short-term debt				$ 110,000,000
Net repayments of securitization	$ 110,000,000
Percentage of fair value of sales receivables	100.00%
Percentage of fair value on additional purchases of receivables	100.00%
Line of credit facility, maximum borrowing capacity	$ 125,000,000	$ 125,000,000
Proceeds from accounts receivable securitization facility			932,000,000
Accounts receivable from securitization, amount derecognized			932,000,000
Fees associated with securitization facility			$ 2,000,000

X

- Definition

Fees associated with securitization facility.

+ References

No definition available.

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- Definition

Percentage of fair value of sales receivables.

+ References

No definition available.

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- Definition

Percentage of fair value on additional purchases of receivables.

+ References

No definition available.

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- Definition

The amount owed to the reporting entity by counterparties in securitized loan transactions.

+ References

No definition available.

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- Definition

Weighted average interest rate of debt outstanding.

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- Definition

The increase (decrease) during the reporting period in the amount owed to the reporting entity by counterparties in securitized loan transactions.

+ References

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-Publisher FASB
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-Paragraph 28
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- Definition

Amount of increase (decrease) of the credit facility.

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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.

+ References

No definition available.

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- 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.

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- Definition

Proceeds from securitizations of receivables treated as collateralized borrowings, which are classified as financing transactions.

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- Definition

The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

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- Definition

Repayments of securitizations of receivables treated as collateralized borrowings, which are classified as financing transactions.

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- Definition

The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

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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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