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BORROWINGS Part 2 (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Jun. 30, 2020
Credit Facilities [Abstract] |  |  |  |  |  |  |
Borrowings due within one year | $ 747 | $ 349 |  | $ 747 | $ 349 |  |
Early debt extinguishment costs |  |  |  | 1 | 1 | $ 0 |
Revolving Credit Facility [Member] |  |  |  |  |  |  |
Credit Facilities [Abstract] |  |  |  |  |  |  |
Line of Credit Facility, Current Borrowing Capacity | 1,500 |  |  | 1,500 |  |  |
Line of Credit Facility, Maximum Month-end Outstanding Amount |  |  |  | 0 | $ 0 |  |
Early debt extinguishment costs | 1 |  |  |  |  |  |
Commercial Paper [Member] |  |  |  |  |  |  |
Credit Facilities [Abstract] |  |  |  |  |  |  |
Debt, Weighted Average Interest Rate |  | 0.25% |  |  | 0.25% |  |
Commercial Paper Borrowings | $ 0 | $ 50 |  | $ 0 | $ 50 |  |
364-Day Term Loan [Member] |  |  |  |  |  |  |
Credit Facilities [Abstract] |  |  |  |  |  |  |
Long-term Debt |  |  |  |  |  |  | $ 250
Early debt extinguishment costs |  |  | $ 1 |  |  |  |
4.5% debentures due January 2021 [Member] |  |  |  |  |  |  |
Credit Facilities [Abstract] |  |  |  |  |  |  |
Extinguishment of Debt, Amount |  | $ 185 |  |  |  |  |

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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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