Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended
Jul. 04, 2020	Jun. 29, 2019	Jul. 04, 2020	Jun. 29, 2019
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	$ 5,534	$ 5,233	$ 5,518	$ 5,192
Net income (loss)	(92)	217	(42)	396
Other comprehensive income	68	21	56	47
Share-based compensation activity	21	28	58	71
Dividends declared	(4)	(4)	(9)	(9)
Purchases of common stock		(159)	(54)	(361)
Balance at end of period	$ 5,527	$ 5,336	$ 5,527	$ 5,336
Dividends per share of common stock	$ 0.02	$ 0.02	$ 0.04	$ 0.04
Common Stock
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	$ 29	$ 30	$ 29	$ 30
Balance at end of period	29	30	29	30
Capital Surplus
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	1,711	1,689	1,674	1,646
Share-based compensation activity	21	28	58	71
Balance at end of period	1,732	1,717	1,732	1,717
Treasury Stock
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	(74)	(331)	(20)	(129)
Purchases of common stock		(159)	(54)	(361)
Balance at end of period	(74)	(490)	(74)	(490)
Retained Earnings
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	5,727	5,581	5,682	5,407
Net income (loss)	(92)	217	(42)	396
Dividends declared	(4)	(4)	(9)	(9)
Balance at end of period	5,631	5,794	5,631	5,794
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	(1,859)	(1,736)	(1,847)	(1,762)
Other comprehensive income	68	21	56	47
Balance at end of period	$ (1,791)	$ (1,715)	$ (1,791)	$ (1,715)

Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Value, after forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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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.

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