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Debt (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Apr. 27, 2022 | Mar. 31, 2019
Debt Disclosure [Abstract] |  |  |  |  |  |
Loss on early extinguishment of debt | $ 0 | $ 0 | $ 42 | $ 0 |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Long-term Line of Credit |  |  |  |  | $ 3,500 | $ 3,500
Senior Notes due November 2025 |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.80% |  | 3.80% |  |  |
Early Repayment of Senior Debt |  |  | $ 600 |  |  |
Repayments of Senior Debt |  |  | 641 |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Repayments of Senior Debt |  |  | 641 |  |  |
Long-term Debt, Excluding Current Maturities | $ 1,000 |  | $ 1,000 |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.80% |  | 3.80% |  |  |
Early Repayment of Senior Debt |  |  | $ 600 |  |  |
Outstanding balance of Senior Notes due November 2025 |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.50% |  | 3.50% |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Long-term Debt, Excluding Current Maturities | $ 400 |  | $ 400 |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.50% |  | 3.50% |  |  |
Senior Notes due August 2023 |  |  |  |  |  |
Debt Disclosure [Abstract] |  |  |  |  |  |
Early Repayment of Senior Debt |  |  | $ 600 |  |  |
Repayments of Senior Debt |  |  | 603 |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Repayments of Senior Debt |  |  | 603 |  |  |
Early Repayment of Senior Debt |  |  | $ 600 |  |  |

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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 https://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 https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity. + 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 (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + 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 https://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 https://asc.fasb.org/extlink&oid=126897435&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 https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
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