Financing Receivables (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 118	$ 303
Financing Receivable, Allowance for Credit Loss	0	0
Financing receivable	118	303
Accounts Receivable, Allowance for Credit Loss, Current	9	5
Other current assets	1,472	1,533
Other noncurrent assets, net of allowance of $16 and $51, respectively	3,140	2,979
Accounts Receivable, after Allowance for Credit Loss, Current	1,725	1,799
Chile [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss	29	239
Financing Receivable, Allowance for Credit Loss	0	0
Financing receivable	29	239
Accounts Receivable, before Allowance for Credit Loss	227
Proceeds from Sale and Collection of Receivables	122
Other noncurrent assets, net of allowance of $16 and $51, respectively	22
Accounts Receivable, after Allowance for Credit Loss, Current	16
Other Receivable, before Allowance for Credit Loss, Noncurrent	7
Other Entity [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss	12	18
Financing Receivable, Allowance for Credit Loss	0	0
Financing receivable	12	18
UNITED STATES
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss	77	46
Financing Receivable, Allowance for Credit Loss	0	0
Financing receivable	$ 77	$ 46