Customer Financing (Financing Receivable Credit Quality Indicators) (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 35
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	258
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	114
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	61
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	12
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	768
Carrying value of financing receivables	1,248	$ 1,356
CCC Credit Rating
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	21
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	371
Carrying value of financing receivables	392
B Credit Rating
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	35
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	166
Carrying value of financing receivables	201
BB Credit Rating
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	35
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	223
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	114
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	40
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	12
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	159
Carrying value of financing receivables	583
BBB Credit Rating
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	72
Carrying value of financing receivables	$ 72