XML 53 R37.htm IDEA: XBRL DOCUMENT v3.10.0.1
Investments (Tables)
 12 Months Ended
Jul. 28, 2018
Investments, Debt and Equity Securities [Abstract]  
Summary of Available-for-Sale Investments
The following tables summarize our available-for-sale investments (in millions):
July 28, 2018
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Fair
Value
Fixed income securities:
 
 
 
 
 
 
 
U.S. government securities
$
7,318

 
$
—

 
$
(43
)
 
$
7,275

U.S. government agency securities
732

 
—

 
(5
)
 
727

Non-U.S. government and agency securities
209

 
—

 
(1
)
 
208

Corporate debt securities
27,765

 
44

 
(445
)
 
27,364

U.S. agency mortgage-backed securities
1,488

 
—

 
(53
)
 
1,435

Total fixed income securities
37,512

 
44

 
(547
)
 
37,009

Publicly traded equity securities
372

 
233

 
—

 
605

Total
$
37,884

 
$
277

 
$
(547
)
 
$
37,614

 
 
 
 
 
 
 
 
July 29, 2017
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Fair
Value
Fixed income securities:
 
 
 
 
 
 
 
U.S. government securities
$
19,880

 
$
3

 
$
(60
)
 
$
19,823

U.S. government agency securities
2,057

 
—

 
(5
)
 
2,052

Non-U.S. government and agency securities
389

 
—

 
(1
)
 
388

Corporate debt securities
31,626

 
202

 
(93
)
 
31,735

U.S. agency mortgage-backed securities
2,037

 
3

 
(17
)
 
2,023

Commercial paper
996

 
—

 
—

 
996

Certificates of deposit
60

 
—

 
—

 
60

Total fixed income securities
57,045

 
208

 
(176
)
 
57,077

Publicly traded equity securities
1,180

 
554

 
(27
)
 
1,707

Total
$
58,225

 
$
762

 
$
(203
)

$
58,784
Gross Realized Gains and Gross Realized Losses Related to Available-for-Sale Investment
The following table presents the gross realized gains and gross realized losses related to our available-for-sale investments (in millions):
Years Ended
July 28, 2018
 
July 29, 2017
 
July 30, 2016
Gross realized gains
$
628

 
$
114

 
$
152

Gross realized losses
(341
)
 
(201
)
 
(153
)
Total
$
287

 
$
(87
)
 
$
(1
)
The following table presents the realized net gains and losses related to our available-for-sale investments by security type (in millions):
Years Ended
July 28, 2018
 
July 29, 2017
 
July 30, 2016
Net gains/(losses) on investments in publicly traded equity securities
$
529

 
$
(45
)
 
$
33

Net gains/(losses) on investments in fixed income securities
(242
)
 
(42
)
 
(34
)
Total
$
287

 
$
(87
)
 
$
(1
)
Available-for-Sale Investments with Gross Unrealized Losses
The following tables present the breakdown of the available-for-sale investments with gross unrealized losses and the duration that those losses had been unrealized at July 28, 2018 and July 29, 2017 (in millions):
 
UNREALIZED LOSSES
LESS THAN 12 MONTHS
 
UNREALIZED LOSSES
12 MONTHS OR GREATER
 
TOTAL
July 28, 2018
Fair Value
 
Gross
Unrealized
Losses
 
Fair Value
 
Gross
Unrealized
Losses
 
Fair Value
 
Gross 
Unrealized 
Losses
Fixed income securities:
 
 
 
 
 
 
 
 
 
 
 
U.S. government securities 
$
2,966

 
$
(20
)
 
$
4,303

 
$
(23
)
 
$
7,269

 
$
(43
)
U.S. government agency securities
206

 
(2
)
 
521

 
(3
)
 
727

 
(5
)
Non-U.S. government and agency securities
105

 
(1
)
 
103

 
—

 
208

 
(1
)
Corporate debt securities
16,990

 
(344
)
 
3,511

 
(101
)
 
20,501

 
(445
)
U.S. agency mortgage-backed securities
826

 
(24
)
 
581

 
(29
)
 
1,407

 
(53
)
Total fixed income securities
21,093

 
(391
)

9,019


(156
)

30,112


(547
)
Publicly traded equity securities
—

 
—

 
—

 
—

 
—

 
—

Total
$
21,093

 
$
(391
)
 
$
9,019

 
$
(156
)
 
$
30,112

 
$
(547
)
 
UNREALIZED LOSSES
LESS THAN 12 MONTHS
 
UNREALIZED LOSSES
12 MONTHS OR GREATER
 
TOTAL
July 29, 2017
Fair Value
 
Gross
Unrealized
Losses
 
Fair Value
 
Gross
Unrealized
Losses
 
Fair Value
 
Gross 
Unrealized 
Losses
Fixed income securities:
 
 
 
 
 
 
 
 
 
 
 
U.S. government securities 
$
14,962

 
$
(55
)
 
$
771

 
$
(5
)
 
$
15,733

 
$
(60
)
U.S. government agency securities
1,791

 
(4
)
 
130

 
(1
)
 
1,921

 
(5
)
Non-U.S. government and agency securities
368

 
(1
)
 
—

 
—

 
368

 
(1
)
Corporate debt securities
9,487

 
(92
)
 
101

 
(1
)
 
9,588

 
(93
)
U.S. agency mortgage-backed securities
1,485

 
(16
)
 
38

 
(1
)
 
1,523

 
(17
)
Total fixed income securities
28,093

 
(168
)
 
1,040

 
(8
)
 
29,133

 
(176
)
Publicly traded equity securities
122

 
(27
)
 
—

 
—

 
122

 
(27
)
Total
$
28,215

 
$
(195
)
 
$
1,040

 
$
(8
)
 
$
29,255

 
$
(203
)
Maturities of Fixed Income Securities
The following table summarizes the maturities of our fixed income securities at July 28, 2018 (in millions): 
 
Amortized Cost
 
Fair Value
Less than 1 year
$
12,361

 
$
12,316

Due in 1 to 2 years
7,573

 
7,514

Due in 2 to 5 years
14,290

 
14,012

Due after 5 years
1,800

 
1,732

Mortgage-backed securities with no single maturity
1,488

 
1,435

Total
$
37,512

 
$
37,009
Equity Method Investments
For such investments that were accounted for under the equity and cost method as of July 28, 2018 and July 29, 2017, the amounts are summarized in the following table (in millions):
 
July 28, 2018
 
July 29, 2017
Equity method investments
$
118

 
$
124

Cost method investments
978

 
859

Total
$
1,096

 
$
983