Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 25, 2021	Sep. 26, 2020	Sep. 25, 2021	Sep. 26, 2020
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			$ 5,837
Ending balance	$ 7,136	$ 3,867	7,136	$ 3,867
AOCI Attributable to Parent
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	7	(4)	17	0
Other comprehensive income (loss)	(7)	9	(17)	5
Ending balance	0	5	0	5
Net unrealized gains (losses) arising during the period
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Net unrealized gains (losses) arising during the period	(6)	11	6	(1)
Net (gains) losses reclassified into income during the period	(4)	(2)	(23)	6
Tax effect	3	0	0	0
Other comprehensive income (loss)	$ (7)	$ 9	$ (17)	$ 5

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details