Loans Payable And Other Financial Liabilities (Summary Of Loans Payable And Other Financial Liabilities) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Finance lease obligations, current	$ 12	$ 10
Collateralized debt, current	109	77
Other lines of credit, current	5	2
Current loans payable and other financial liabilities	1,459	1,285
Finance lease obligations, noncurrent	39	36
Collateralized debt, noncurrent	916	674
Other lines of credit, noncurrent	4
Non Current loans payable and other financial liabilities	2,638	2,233
Loans From Banks, 8.04% [Member]
Debt Instrument [Line Items]
Loans from bank, current	$ 126	112
Debt weight average rate	8.04%
Loans From Banks, LIBOR 3M + 0.7408 [Member]
Debt Instrument [Line Items]
Loans from bank, current	$ 60	60
Loans From Banks, LIBOR 3M + 0.7408 [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.7408%
Loans From Banks, 1.30% [Member]
Debt Instrument [Line Items]
Loans from bank, current	$ 50	50
Debt weight average rate	1.30%
Loans From Banks, 1.70% [Member]
Debt Instrument [Line Items]
Loans from bank, current	$ 50	50
Debt weight average rate	1.70%
Loans From Banks, TIIE + 2.20 [Member]
Debt Instrument [Line Items]
Loans from bank, current	$ 68	66
Loans From Banks, TIIE + 2.20 [Member] \| TIIE [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.20%
Loans From Banks, 6.69% [Member]
Debt Instrument [Line Items]
Loans from bank, current	$ 9	8
Debt weight average rate	6.69%
Loans From Banks, 7.15% [Member]
Debt Instrument [Line Items]
Loans from bank, current	$ 16	15
Debt weight average rate	7.15%
Loans From Banks, 7.30% [Member]
Debt Instrument [Line Items]
Loans from bank, current	$ 11	16
Debt weight average rate	7.30%
Loans From Banks, 8.16% [Member]
Debt Instrument [Line Items]
Loans from bank, current	$ 8
Debt weight average rate	8.16%
Loans From Banks, 2.46% [Member]
Debt Instrument [Line Items]
Loans from bank, current	$ 2	1
Loans from banks, noncurrent	$ 3	4
Debt weight average rate	2.46%
Secured Lines Of Credit, 37.01% [Member]
Debt Instrument [Line Items]
Lines of credit, current	$ 37	44
Debt weight average rate	37.01%
Secured Lines Of Credit, 35.69% [Member]
Debt Instrument [Line Items]
Lines of credit, current	$ 26	25
Debt weight average rate	35.69%
Secured Lines Of Credit [Member]
Debt Instrument [Line Items]
Lines of credit, current	$ 16
Secured Lines Of Credit, 10.08% [Member]
Debt Instrument [Line Items]
Lines of credit, current	4	4
Secured lines of credit	$ 17	17
Debt weight average rate	10.08%
Unsecured Lines Of Credit, 7.98% [Member]
Debt Instrument [Line Items]
Lines of credit, current	$ 26	27
Debt weight average rate	7.98%
Unsecured Lines Of Credit, 37.05% [Member]
Debt Instrument [Line Items]
Lines of credit, current	$ 97	115
Debt weight average rate	37.05%
Unsecured Lines Of Credit, 1% [Member]
Debt Instrument [Line Items]
Lines of credit, current	$ 1	4
Debt weight average rate	1.00%
Deposit Certificates, IPCA + 5.25 -7.15% [Member]
Debt Instrument [Line Items]
Deposit Certificates	$ 75
Deposit Certificates, 99% to 126.5% of CDI [Member]
Debt Instrument [Line Items]
Deposit Certificates	455	518
Deposit Certificates, 7.65 - 13.30% [Member]
Debt Instrument [Line Items]
Deposit Certificates	83	41
Deposit Certificates, CDI + 0.72-0.76% [Member]
Debt Instrument [Line Items]
Deposit Certificates	105	23
2028 Convertible Senior Notes [Member]
Debt Instrument [Line Items]
Convertible notes, current	1	3
Convertible notes, noncurrent	435	312
2026 Sustainability Notes [Member]
Debt Instrument [Line Items]
Senior Notes, current	2	4
Senior Notes, noncurrent	397	397
Notes Due 2031 [Member]
Debt Instrument [Line Items]
Senior Notes, current	5	10
Senior Notes, noncurrent	694	694
Financial Bills, CDI + 0.95-1.10% [Member]
Debt Instrument [Line Items]
Financial Bills, noncurrent	111	92
Deposit Certificates, 106% to 129% of CDI [Member]
Debt Instrument [Line Items]
Deposit Certificates	17	3
Loans From Banks, TLJP + 0.8% [Member]
Debt Instrument [Line Items]
Loans from banks, noncurrent	$ 5	$ 4
Loans From Banks, TLJP + 0.8% [Member] \| TJLP [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.80%
Minimum [Member] \| Deposit Certificates, IPCA + 5.25 -7.15% [Member] \| IPCA [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	5.25%
Minimum [Member] \| Deposit Certificates, 99% to 126.5% of CDI [Member] \| CDI [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	99.00%
Minimum [Member] \| Deposit Certificates, 7.65 - 13.30% [Member]
Debt Instrument [Line Items]
Debt weight average rate	7.65%
Minimum [Member] \| Deposit Certificates, CDI + 0.72-0.76% [Member] \| CDI [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.72%
Minimum [Member] \| Financial Bills, CDI + 0.95-1.10% [Member] \| CDI [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.95%
Minimum [Member] \| Deposit Certificates, 106% to 129% of CDI [Member] \| CDI [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	106.00%
Maximum [Member] \| Deposit Certificates, IPCA + 5.25 -7.15% [Member] \| IPCA [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	7.15%
Maximum [Member] \| Deposit Certificates, 99% to 126.5% of CDI [Member] \| CDI [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	126.50%
Maximum [Member] \| Deposit Certificates, 7.65 - 13.30% [Member]
Debt Instrument [Line Items]
Debt weight average rate	13.30%
Maximum [Member] \| Deposit Certificates, CDI + 0.72-0.76% [Member] \| CDI [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.76%
Maximum [Member] \| Financial Bills, CDI + 0.95-1.10% [Member] \| CDI [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.10%
Maximum [Member] \| Deposit Certificates, 106% to 129% of CDI [Member] \| CDI [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	129.00%

Collateralized Financing, Current

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Collateralized Financing, Noncurrent

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- Definition

Deposit Liability Non-Current

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No definition available.

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- Definition

Financial Bills, Noncurrent

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- Definition

Other Lines Of Credit, Current

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No definition available.

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Other Lines Of Credit, Non-Current

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- Definition

The portion of the carrying value of long-term convertible debt as of the balance sheet date that is scheduled to be repaid within one year or in the normal operating cycle if longer. Convertible debt is a financial instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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Carrying amount of long-term convertible debt as of the balance sheet date, net of the amount due in the next twelve months or greater than the normal operating cycle, if longer. The debt is convertible into another form of financial instrument, typically the entity's common stock.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Weighted average interest rate of debt outstanding.

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The current portion, due within one year or one operating cycle, if longer, of deposits held other than customer deposits.

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
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Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.

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- Definition

The carrying value as of the balance sheet date of the current portion 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.

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Amount of long-term debt and lease obligation, classified as noncurrent.

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Amount of long-term debt and lease obligation, classified as current.

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- Definition

The carrying value as of the balance sheet date of the noncurrent portion 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.

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- Definition

Current portion of the total carrying amount as of the balance sheet date due within one year or the operating cycle, if longer, on all notes payable to banks paid on an installment with long term maturities. This can include the amount of any loans from the applicant firm. This does not, however, include any mortgage balances.

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The total amount due within more than 12 month, or the operating cycle if longer, on all notes payable to banks paid on an installment. This can include the amount of any loans from the applicant firm. This does not, however, include any mortgage balances.

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Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

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Carrying value as of the balance sheet date of the portion of long-term notes having the highest claim on the assets of the issuer in case of bankruptcy or liquidation, due within one year or the normal operating cycle, if longer. Senior note holders are paid off in full before any payments are made to debt holders having a lesser priority of repayment.

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