Derivatives and Fair Value of Financial Instruments-Deferred Comp Securities (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Dec. 31, 2019
Investments
Amount invested	$ 35	$ 6
Domestic equity securities
Assets:
Trading securities	473		$ 706
Domestic debt securities
Assets:
Trading securities	360		409
Foreign equity securities
Assets:
Trading securities	147		189
High yield securities
Assets:
Trading securities	51		56
Collateralized loan obligations
Assets:
Trading securities	13		15
Money market funds held in trading accounts
Assets:
Trading securities	23		12
Other trading securities
Assets:
Trading securities	4		4
Level 3 | Financial services company
Investments
Amount invested	30
Recurring basis | Level 1
Assets:
Total assets	831		1,095
Liabilities:
Total liabilities	5		4
Recurring basis | Level 1 | Commodities
Assets:
Derivatives	14		6
Liabilities:
Derivatives	5		4
Recurring basis | Level 1 | Domestic equity securities | Short-term investments
Assets:
Trading securities	473		706
Recurring basis | Level 1 | Domestic equity securities | Other current assets
Assets:
Trading securities	33		40
Recurring basis | Level 1 | Domestic debt securities | Short-term investments
Assets:
Trading securities	117		117
Recurring basis | Level 1 | Foreign equity securities | Short-term investments
Assets:
Trading securities	147		189
Recurring basis | Level 1 | Foreign equity securities | Other current assets
Assets:
Trading securities	2		3
Recurring basis | Level 1 | High yield securities | Short-term investments
Assets:
Trading securities	9		10
Recurring basis | Level 1 | Money market funds held in trading accounts | Short-term investments
Assets:
Trading securities	23		12
Recurring basis | Level 1 | Money market funds held in trading accounts | Other current assets
Assets:
Trading securities	5		6
Recurring basis | Level 1 | Other trading securities | Short-term investments
Assets:
Trading securities	6		4
Recurring basis | Level 1 | Fixed income securities | Other current assets
Assets:
Trading securities	2		2
Recurring basis | Level 2
Assets:
Total assets	358		396
Liabilities:
Total liabilities	3		3
Recurring basis | Level 2 | Foreign currencies
Assets:
Derivatives	5
Liabilities:
Derivatives	1		3
Recurring basis | Level 2 | Domestic debt securities | Short-term investments
Assets:
Trading securities	243		292
Recurring basis | Level 2 | High yield securities | Short-term investments
Assets:
Trading securities	42		46
Recurring basis | Level 2 | Foreign debt securities | Short-term investments
Assets:
Trading securities	54		43
Recurring basis | Level 2 | Collateralized loan obligations | Short-term investments
Assets:
Trading securities	13		15
Recurring basis | Level 2 | Other trading securities | Short-term investments
Liabilities:
Derivatives	2
Recurring basis | Level 2 | Fixed income securities | Other current assets
Assets:
Trading securities	1
Recurring basis | Level 3
Assets:
Total assets	29
Liabilities:
Contingent consideration	14		13
Total liabilities	14		13
Recurring basis | Level 3 | Long-term investments
Assets:
Long-term equity investment	29
Recurring basis | Fair Value
Assets:
Total assets	1,218		1,491
Liabilities:
Contingent consideration	14		13
Total liabilities	22		20
Recurring basis | Fair Value | Commodities
Assets:
Derivatives	14		6
Liabilities:
Derivatives	5		4
Recurring basis | Fair Value | Foreign currencies
Assets:
Derivatives	5
Liabilities:
Derivatives	1		3
Recurring basis | Fair Value | Long-term investments
Assets:
Long-term equity investment	29
Recurring basis | Fair Value | Domestic equity securities | Short-term investments
Assets:
Trading securities	473		706
Recurring basis | Fair Value | Domestic equity securities | Other current assets
Assets:
Trading securities	33		40
Recurring basis | Fair Value | Domestic debt securities | Short-term investments
Assets:
Trading securities	360		409
Recurring basis | Fair Value | Foreign equity securities | Short-term investments
Assets:
Trading securities	147		189
Recurring basis | Fair Value | Foreign equity securities | Other current assets
Assets:
Trading securities	2		3
Recurring basis | Fair Value | High yield securities | Short-term investments
Assets:
Trading securities	51		56
Recurring basis | Fair Value | Foreign debt securities | Short-term investments
Assets:
Trading securities	54		43
Recurring basis | Fair Value | Collateralized loan obligations | Short-term investments
Assets:
Trading securities	13		15
Recurring basis | Fair Value | Money market funds held in trading accounts | Short-term investments
Assets:
Trading securities	23		12
Recurring basis | Fair Value | Money market funds held in trading accounts | Other current assets
Assets:
Trading securities	5		6
Recurring basis | Fair Value | Other trading securities | Short-term investments
Assets:
Trading securities	6		4
Liabilities:
Derivatives	2
Recurring basis | Fair Value | Fixed income securities | Other current assets
Assets:
Trading securities	$ 3		$ 2