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

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.

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Amount of long-term debt and lease obligation, classified as noncurrent.

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Long-Term Debt and Available Credit Facilities Long Term Debt (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	May 31, 2020	Mar. 22, 2019
Debt Instrument [Line Items]
Long-term Debt, Gross				$ 1,530,000,000
Finance Lease, Liability, Noncurrent	$ 3,000,000	$ 4,000,000
Unamortized debt discount and issuance costs	10,000,000	11,000,000
Long-term debt payable within one year	1,000,000	1,000,000
Long-term Debt	1,100,000,000	1,102,000,000
Loans Payable [Member] \| Notes Maturing 2025 [Domain]
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 500,000,000	$ 500,000,000
Long-term Debt, Weighted Average Interest Rate	1.70%	1.70%
Loans Payable [Member] \| Notes Maturing 2030 [Domain]
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 500,000,000	$ 500,000,000
Long-term Debt, Weighted Average Interest Rate	2.30%	2.30%
Loans Payable [Member] \| Foreign Currency Loans [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 1,000,000	$ 1,000,000
Medium-term Notes [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 107,000,000	$ 109,000,000
Long-term Debt, Weighted Average Interest Rate	0.00%	0.00%
Senior Notes Due 2025 [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross			$ 500,000,000
Debt Instrument, Interest Rate, Stated Percentage			1.70%
Senior Notes Due 2030 [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross			$ 500,000,000
Debt Instrument, Interest Rate, Stated Percentage			2.30%
Notes Maturing 2025 [Domain]
Debt Instrument [Line Items]
Line of Credit Facility, Periodic Payment, Principal	$ 500,000,000
Fair Value, Inputs, Level 2 [Member]
Debt Instrument [Line Items]
Long-term Debt, Fair Value	$ 1,120,000,000	$ 1,166,000,000