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Basis of Presentation - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Cash and Cash Equivalents [Line Items] |  |  |  |
Cash and cash equivalents | $ 2,234 |  | $ 2,605 |
Restricted cash: |  |  |  |
Restricted cash, current | 1,509 |  | 1,343 |
Restricted cash, noncurrent | 164 |  | 163 |
Cash, cash equivalents and restricted cash | 3,907 | $ 3,232 | $ 4,111 | $ 4,161
Increase (decrease) in cash, cash equivalents, restricted cash and assets held for sale | (204) | $ (929) |  |
Cash and cash equivalents |  |  |  |
Restricted cash: |  |  |  |
Increase (decrease) in cash, cash equivalents, restricted cash and assets held for sale | (371) |  |  |
Prepaid expenses and other |  |  |  |
Restricted cash: |  |  |  |
Increase (decrease) in cash, cash equivalents, restricted cash and assets held for sale | 166 |  |  |
Other assets |  |  |  |
Restricted cash: |  |  |  |
Increase (decrease) in cash, cash equivalents, restricted cash and assets held for sale | $ 1 |  |  |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3044-108585 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765 Reference 3: 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(1)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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