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Long-Term Debt And Commercial Paper (Narrative) (Details) - USD ($) | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Dec. 31, 2021 | Feb. 28, 2022
Debt Instrument [Line Items] |  |  |
Letters of credit, amount outstanding | $ 39,800,000 |  |
Commercial paper, maximum aggregate amount outstanding permitted | 1,000,000,000 |  |
Commercial paper, amount outstanding | $ 0 | $ 340,000,000 |
Commercial Paper |  |  |
Debt Instrument [Line Items] |  |  |
Weighted-average annual interest rate |  | 0.47% |
Maximum | Commercial Paper |  |  |
Debt Instrument [Line Items] |  |  |
Maturity period of debt | 397 days |  |
Weighted Average | Commercial Paper |  |  |
Debt Instrument [Line Items] |  |  |
Maturity period of debt |  | 10 days |
Revolving credit facility |  |  |
Debt Instrument [Line Items] |  |  |
Maximum borrowing capacity under revolving credit facility | $ 1,800,000,000 |  |
Additional borrowing capacity under accordion feature of revolving credit facility | 500,000,000 |  |
Revolving credit facility, amount outstanding | 0 | $ 0 |
Revolving credit facilities letter of credit sublimit | 200,000,000 |  |
Additional borrowing capacity under the revolving credit facility | $ 1,800,000,000 |  |
Leverage ratio, minimum threshold, credit spread (example) | 2.0 |  |
Leverage ratio, maximum threshold, credit spread (example) | 3.25 |  |
Leverage ratio, minimum threshold, increase in credit spread (example) | 3.25 |  |
Impact on credit spread from increase in leverage ratio (example) | 0.125% |  |
Revolving credit facility | Minimum |  |  |
Debt Instrument [Line Items] |  |  |
Commitment fee on undrawn amounts (percent) | 0.125% |  |
Revolving credit facility | Maximum |  |  |
Debt Instrument [Line Items] |  |  |
Commitment fee on undrawn amounts (percent) | 0.20% |  |
Other Debt |  |  |
Debt Instrument [Line Items] |  |  |
Finance leases and other debt obligations included in long-term debt | $ 324,400,000 | $ 330,600,000 |
Senior Notes | 3.85% Senior Notes Due 2032 |  |  |
Debt Instrument [Line Items] |  |  |
Face amount |  |  | $ 700,000,000
Percentage interest on debt instrument | 3.85% |  | 3.85%
Aggregate offering price percentage |  |  | 99.835%
Maturity date | Mar. 01, 2032 |  |
Line of Credit | Revolving credit facility |  |  |
Debt Instrument [Line Items] |  |  |
Maturity date | Mar. 26, 2025 |  |
Line of Credit | Revolving credit facility | Minimum | LIBOR |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable interest rates (percent) | 1.125% |  |
Line of Credit | Revolving credit facility | Minimum | Base Rate |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable interest rates (percent) | 0.125% |  |
Line of Credit | Revolving credit facility | Maximum | LIBOR |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable interest rates (percent) | 1.50% |  |
Line of Credit | Revolving credit facility | Maximum | Base Rate |  |  |
Debt Instrument [Line Items] |  |  |
Basis spread on variable interest rates (percent) | 0.50% |  |

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- Definition The maximum aggregate amount of commercial paper notes that is permitted to be outstanding under the commercial paper program at any time. + References No definition available. + Details
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- Definition Example of the incremental increase (in basis points) in a credit spread on the revolver under the credit agreement if the leverage ratio is greater than a specified threshold. + References No definition available. + Details
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- Definition Example of the minimum, inclusive, leverage ratio, as defined in the credit agreement, in which a credit spread on the revolver would increase based on the pricing terms outlined in the agreement. + References No definition available. + Details
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- Definition Example of the maximum, exclusive, leverage ratio, as defined in the credit agreement, in which a credit spread on the revolver applies based on pricing terms outlined in the credit agreement. + References No definition available. + Details
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- Definition Example of the minimum, inclusive, leverage ratio, as defined in the credit agreement, in which a credit spread on the revolver applies based on pricing terms outlined in the agreement. + References No definition available. + Details
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- Definition Maximum amount of increase in the revolving credit facility allowed under the accordion feature of the credit agreement, subject to credit availability and certain other conditions. + References No definition available. + Details
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- Definition The maximum amount of letters of credit that can be issued under the terms of the revolving credit facilities. + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)(2)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)(3)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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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. + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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