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Cash, Cash Equivalents, Restricted Cash And Cash Equivalents And Investments (Components Of Cash, Cash Equivalents, Restricted Cash And Cash Equivalents And Investments) (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021 | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |  |
Cash and cash equivalents |  | $ 1,329 |  | $ 2,585 |  |  |
Restricted cash and cash equivalents |  | 924 |  | 1,063 |  |  |
Total cash, cash equivalents, restricted cash and cash equivalents |  | 2,253 | [1] | 3,648 | [1] | $ 1,431 | $ 2,508
Short-term Investments |  | 1,645 |  | 810 |  |  |
Long-term Investments |  | 456 |  | 89 |  |  |
Time Deposits (Chilean Financial Market Commission) [Member] |  |  |  |  |  |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |  |
Short-term Investments |  | 503 |  | 16 |  |  |
Sovereign Debt Securities (Central Bank Of Brazil Mandatory Guarantee) [Member] |  |  |  |  |  |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |  |
Short-term Investments |  | 748 |  | 602 |  |  |
Sovereign Debt Securities [Member] |  |  |  |  |  |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |  |
Short-term Investments |  | 339 |  | 192 |  |  |
Long-term Investments |  | 385 |  | 23 |  |  |
Securitization Transactions [Member] |  |  |  |  |  |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |  |
Long-term Investments | [2] | 15 |  | 13 |  |  |
Corporate Debt Securities [Member] |  |  |  |  |  |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |  |
Short-term Investments |  | 55 |  |  |  |  |
Equity Interest Held At Cost [Member] |  |  |  |  |  |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |  |
Long-term Investments |  | 56 |  | 53 |  |  |
Securitization Transactions [Member] |  |  |  |  |  |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |  |
Restricted cash and cash equivalents |  | 310 |  | 282 |  |  |
Sovereign Debt Securities (Secured Lines Of Credit Guarantee) [Member] |  |  |  |  |  |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |  |
Restricted cash and cash equivalents |  | 135 |  | 296 |  |  |
Bank Account (Argentine Central Bank Regulation) [Member] |  |  |  |  |  |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |  |
Restricted cash and cash equivalents |  | 415 |  | 449 |  |  |
Bank Account (Chilean Financial Market Commission) [Member] |  |  |  |  |  |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |  |
Restricted cash and cash equivalents |  | 7 |  | 21 |  |  |
Time Deposits (Chilean Financial Market Commission) [Member] |  |  |  |  |  |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |  |
Restricted cash and cash equivalents |  | 33 |  |  |  |  |
Money Market Funds (Secured Lines Of Credit Guarantee) [Member] |  |  |  |  |  |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |  |
Restricted cash and cash equivalents |  | $ 24 |  | $ 15 |  |  |
[1] | Cash, cash equivalents, restricted cash and cash equivalents as reported in the consolidated statements of cash flow
[2] | Investments from securitization transactions are restricted to the payment of amounts due to third-party investors.

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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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