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v3.20.4

Debt And Related Expenses (Narrative) (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2018 USD ($) | Oct. 06, 2023 USD ($)
Debt Instrument [Line Items] |  |  |
Commercial paper | $ 0 |  |
Early retirement of debt |  | $ 312,000,000 |
Charge on early retirement of debt, cash retirement costs |  | 304,000,000 |
Senior Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Early retirement of debt |  | 312,000,000 |
Charge on early retirement of debt, cash retirement costs |  | 304,000,000 |
Charge on early retirement of debt, noncash charges |  | $ 8,000,000 |
Commercial Paper [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Credit Facility, borrowing capacity | 3,000,000,000.0 |  |
Senior Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Credit Facility, borrowing capacity | $ 3,000,000,000.0 |  |
Credit facility maturity date | Oct. 05, 2024 |  |
Frequency of payment | annual |  |
Commitment fee amount | $ 6,000,000 |  |
Outstanding credit facility borrowings | 0 |  |
Outstanding letters of credit | $ 2,000,000 |  |
Debt-to-capitalization ratio | 0.25 |  |
Senior Credit Facility [Member] | Maximum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt-to-capitalization ratio | 0.65 |  |
Senior Credit Facility [Member] | Scenario Forecast [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Credit Facility, borrowing capacity |  |  | $ 2,800,000,000

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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 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 Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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