Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Dec. 31, 2022	Apr. 01, 2022
Income Tax Disclosure [Abstract]
Federal statutory income tax rate, percent	21.00%		21.00%
Net tax benefits, impact, amount	$ 5		$ 41
Net tax benefits, impact percentage	0.30%		2.00%
Domestic Tax Authority \| Internal Revenue Service (IRS)
Income Tax Contingency [Line Items]
Proposed adjustments to taxable income, self-insurance, other		$ 2,500

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration