Condensed Consolidating Balance Sheet (Detail) - USD ($) $ in Millions	Apr. 02, 2017	Dec. 31, 2016		Apr. 03, 2016	Dec. 31, 2015
Current assets:
Cash and equivalents	$ 2,168	$ 2,334		$ 1,907	$ 2,785
Accounts receivable	3,483	3,399
Unbilled receivables	4,557	4,212
Inventories	5,822	5,817
Other current assets	584	772
Total current assets	16,614	16,534
Noncurrent assets:
Property, plant and equipment	3,412	3,477
Intangible assets	679	678
Goodwill	11,532	11,445	[1]
Other assets	974	1,038
Investment in subsidiaries	0	0
Total noncurrent assets	16,597	16,638
Total assets	33,211	33,172
Current liabilities:
Short-term debt	901	900
Customer advances and deposits	6,686	6,827
Other current liabilities	5,578	5,723
Total current liabilities	13,165	13,450
Noncurrent liabilities:
Long-term debt	2,988	2,988
Other liabilities	6,475	6,433
Total noncurrent liabilities	9,463	9,421
Intercompany	0	0
Shareholders’ equity:
Common stock	482	482
Other shareholders' equity	10,101	9,819
Total shareholders’ equity	10,583	10,301		10,192	10,440
Total liabilities and shareholders’ equity	33,211	33,172
Consolidating Adjustments
Current assets:
Cash and equivalents	0	0		0
Accounts receivable	0	0
Unbilled receivables	0	0
Inventories	0	0
Other current assets	0	0
Total current assets	0	0
Noncurrent assets:
Property, plant and equipment	0	0
Intangible assets	0	0
Goodwill	0	0
Other assets	0	0
Investment in subsidiaries	(41,618)	(41,956)
Total noncurrent assets	(41,618)	(41,956)
Total assets	(41,618)	(41,956)
Current liabilities:
Short-term debt	0	0
Customer advances and deposits	0	0
Other current liabilities	0	0
Total current liabilities	0	0
Noncurrent liabilities:
Long-term debt	0	0
Other liabilities	0	0
Total noncurrent liabilities	0	0
Intercompany	0	0
Shareholders’ equity:
Common stock	(2,360)	(2,360)
Other shareholders' equity	(39,258)	(39,596)
Total shareholders’ equity	(41,618)	(41,956)
Total liabilities and shareholders’ equity	(41,618)	(41,956)
Parent Company
Current assets:
Cash and equivalents	1,051	1,254		986	1,732
Accounts receivable	0	0
Unbilled receivables	0	0
Inventories	238	304
Other current assets	142	330
Total current assets	1,431	1,888
Noncurrent assets:
Property, plant and equipment	131	130
Intangible assets	0	0
Goodwill	0	0
Other assets	577	640
Investment in subsidiaries	41,618	41,956
Total noncurrent assets	42,326	42,726
Total assets	43,757	44,614
Current liabilities:
Short-term debt	898	898
Customer advances and deposits	0	0
Other current liabilities	599	564
Total current liabilities	1,497	1,462
Noncurrent liabilities:
Long-term debt	2,966	2,966
Other liabilities	2,398	3,520
Total noncurrent liabilities	5,364	6,486
Intercompany	26,313	26,365
Shareholders’ equity:
Common stock	482	482
Other shareholders' equity	10,101	9,819
Total shareholders’ equity	10,583	10,301
Total liabilities and shareholders’ equity	43,757	44,614
Guarantor Subsidiaries
Current assets:
Cash and equivalents	0	0		0
Accounts receivable	1,156	1,155
Unbilled receivables	2,563	2,235
Inventories	5,485	5,417
Other current assets	195	204
Total current assets	9,399	9,011
Noncurrent assets:
Property, plant and equipment	2,854	2,933
Intangible assets	255	265
Goodwill	8,052	8,050
Other assets	244	232
Investment in subsidiaries	0	0
Total noncurrent assets	11,405	11,480
Total assets	20,804	20,491
Current liabilities:
Short-term debt	3	2
Customer advances and deposits	4,053	4,339
Other current liabilities	3,406	3,465
Total current liabilities	7,462	7,806
Noncurrent liabilities:
Long-term debt	22	22
Other liabilities	3,475	2,330
Total noncurrent liabilities	3,497	2,352
Intercompany	(26,259)	(25,827)
Shareholders’ equity:
Common stock	6	6
Other shareholders' equity	36,098	36,154
Total shareholders’ equity	36,104	36,160
Total liabilities and shareholders’ equity	20,804	20,491
Non-Guarantor Subsidiaries
Current assets:
Cash and equivalents	1,117	1,080		$ 921	$ 1,053
Accounts receivable	2,327	2,244
Unbilled receivables	1,994	1,977
Inventories	99	96
Other current assets	247	238
Total current assets	5,784	5,635
Noncurrent assets:
Property, plant and equipment	427	414
Intangible assets	424	413
Goodwill	3,480	3,395
Other assets	153	166
Investment in subsidiaries	0	0
Total noncurrent assets	4,484	4,388
Total assets	10,268	10,023
Current liabilities:
Short-term debt	0	0
Customer advances and deposits	2,633	2,488
Other current liabilities	1,573	1,694
Total current liabilities	4,206	4,182
Noncurrent liabilities:
Long-term debt	0	0
Other liabilities	602	583
Total noncurrent liabilities	602	583
Intercompany	(54)	(538)
Shareholders’ equity:
Common stock	2,354	2,354
Other shareholders' equity	3,160	3,442
Total shareholders’ equity	5,514	5,796
Total liabilities and shareholders’ equity	$ 10,268	$ 10,023

[1] Goodwill on December 31, 2016, in the Information Systems and Technology reporting unit is net of $2 billion of accumulated impairment losses.