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FAIR VALUE DISCLOSURES - Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - Fair Value, Recurring - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
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Assets, Fair Value Disclosure [Abstract] |  |
Total assets | $ 247 | $ 495
Level 1 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Total assets | 22 | 246
Level 2 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Total assets | 225 | 249
Level 3 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Total assets | 0 | 0
Mutual fund |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities |  | 200
Mutual fund | Level 1 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities |  | 200
Mutual fund | Level 2 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities |  | 0
Mutual fund | Level 3 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities |  | 0
Corporate debt securities |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 166 | 207
Corporate debt securities | Level 1 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 0 | 0
Corporate debt securities | Level 2 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 166 | 207
Corporate debt securities | Level 3 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 0 | 0
Commercial paper |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 28 | 15
Commercial paper | Level 1 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 0 | 0
Commercial paper | Level 2 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 28 | 15
Commercial paper | Level 3 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 0 | 0
Equity securities |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 22 | 46
Equity securities | Level 1 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 22 | 46
Equity securities | Level 2 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 0 | 0
Equity securities | Level 3 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 0 | 0
Certificates of deposit |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 12 | 5
Certificates of deposit | Level 1 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 0 | 0
Certificates of deposit | Level 2 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 12 | 5
Certificates of deposit | Level 3 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 0 | 0
Asset-backed securities |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 5 | 7
Asset-backed securities | Level 1 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 0 | 0
Asset-backed securities | Level 2 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 5 | 7
Asset-backed securities | Level 3 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities | 0 | 0
Sovereign bonds |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities |  | 4
Sovereign bonds | Level 1 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities |  | 0
Sovereign bonds | Level 2 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities |  | 4
Sovereign bonds | Level 3 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Marketable securities |  | 0
Mortgage loans held for sale pledged under agreements to repurchase |  |
Assets, Fair Value Disclosure [Abstract] |  |
Mortgages held-for-sale | 12 | 7
Mortgage loans held for sale pledged under agreements to repurchase | Level 1 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Mortgages held-for-sale | 0 | 0
Mortgage loans held for sale pledged under agreements to repurchase | Level 2 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Mortgages held-for-sale | 12 | 7
Mortgage loans held for sale pledged under agreements to repurchase | Level 3 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Mortgages held-for-sale | 0 | 0
Mortgage loans held for sale |  |
Assets, Fair Value Disclosure [Abstract] |  |
Mortgages held-for-sale | 2 | 4
Mortgage loans held for sale | Level 1 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Mortgages held-for-sale | 0 | 0
Mortgage loans held for sale | Level 2 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Mortgages held-for-sale | 2 | 4
Mortgage loans held for sale | Level 3 |  |
Assets, Fair Value Disclosure [Abstract] |  |
Mortgages held-for-sale | $ 0 | $ 0

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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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