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Condensed Consolidating Financial Statements - Condensed Consolidating Statements of Cash Flows (Unaudited) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jul. 01, 2018 | Jun. 30, 2019 | Jul. 01, 2018
Condensed Financial Statements [Line Items] |  |  |  |  |
Net cash (used) provided by operating activities | [1] |  |  | $ (504) | $ 291
Cash flows from investing activities: |  |  |  |  |
Business acquisitions, net of cash acquired |  |  |  | (17) | (10,039)
Capital expenditures |  |  |  | (362) | (279)
Other, net |  |  |  | (1) | 74
Net cash used by investing activities |  |  |  | (363) | (10,244)
Cash flows from financing activities: |  |  |  |  |
Proceeds from notes |  |  |  | 0 | 6,461
Proceeds from commercial paper, net |  |  |  | 1,394 | 2,786
Dividends paid |  | $ (295) | $ (276) | (563) | (526)
Repayment of CSRA accounts receivable purchase agreement |  |  |  | 0 | (450)
Purchases of common stock |  |  |  | (231) | (436)
Other, net |  |  |  | 30 | 3
Net cash provided by financing activities |  |  |  | 630 | 8,838
Net cash used by discontinued operations |  |  |  | (24) | (6)
Cash sweep/funding by parent |  |  |  | 0 | 0
Net decrease in cash and equivalents |  |  |  | (261) | (1,121)
Cash and equivalents at beginning of period |  |  |  | 963 | 2,983
Cash and equivalents at end of period |  | 702 | 1,862 | 702 | 1,862
Floating-rate notes |  |  |  |  |
Cash flows from financing activities: |  |  |  |  |
Proceeds from notes |  |  |  | 0 | 1,000
Consolidating Adjustments |  |  |  |  |
Condensed Financial Statements [Line Items] |  |  |  |  |
Net cash (used) provided by operating activities | [1] |  |  | 0 | 0
Cash flows from investing activities: |  |  |  |  |
Business acquisitions, net of cash acquired |  |  |  |  | 0
Capital expenditures |  |  |  | 0 | 0
Other, net |  |  |  | 0 | 0
Net cash used by investing activities |  |  |  | 0 | 0
Cash flows from financing activities: |  |  |  |  |
Proceeds from notes |  |  |  |  | 0
Proceeds from commercial paper, net |  |  |  | 0 | 0
Dividends paid |  |  |  | 0 | 0
Repayment of CSRA accounts receivable purchase agreement |  |  |  |  | 0
Purchases of common stock |  |  |  | 0 | 0
Other, net |  |  |  | 0 | 0
Net cash provided by financing activities |  |  |  | 0 | 0
Net cash used by discontinued operations |  |  |  | 0 | 0
Cash sweep/funding by parent |  |  |  | 0 | 0
Net decrease in cash and equivalents |  |  |  | 0 | 0
Cash and equivalents at beginning of period |  |  |  | 0 | 0
Cash and equivalents at end of period |  | 0 | 0 | 0 | 0
Consolidating Adjustments | Floating-rate notes |  |  |  |  |
Cash flows from financing activities: |  |  |  |  |
Proceeds from notes |  |  |  |  | 0
Parent Company |  |  |  |  |
Condensed Financial Statements [Line Items] |  |  |  |  |
Net cash (used) provided by operating activities | [1] |  |  | 64 | 41
Cash flows from investing activities: |  |  |  |  |
Business acquisitions, net of cash acquired |  |  |  |  | (9,749)
Capital expenditures |  |  |  | (27) | (22)
Other, net |  |  |  | 5 | 2
Net cash used by investing activities |  |  |  | (22) | (9,769)
Cash flows from financing activities: |  |  |  |  |
Proceeds from notes |  |  |  |  | 6,461
Proceeds from commercial paper, net |  |  |  | 1,394 | 2,786
Dividends paid |  |  |  | (563) | (526)
Repayment of CSRA accounts receivable purchase agreement |  |  |  |  | 0
Purchases of common stock |  |  |  | (231) | (436)
Other, net |  |  |  | (19) | (45)
Net cash provided by financing activities |  |  |  | 581 | 9,240
Net cash used by discontinued operations |  |  |  | (24) | (6)
Cash sweep/funding by parent |  |  |  | (816) | (107)
Net decrease in cash and equivalents |  |  |  | (217) | (601)
Cash and equivalents at beginning of period |  |  |  | 460 | 1,930
Cash and equivalents at end of period |  | 243 | 1,329 | 243 | 1,329
Parent Company | Floating-rate notes |  |  |  |  |
Cash flows from financing activities: |  |  |  |  |
Proceeds from notes |  |  |  |  | 1,000
Guarantor Subsidiaries |  |  |  |  |
Condensed Financial Statements [Line Items] |  |  |  |  |
Net cash (used) provided by operating activities | [1] |  |  | 166 | 468
Cash flows from investing activities: |  |  |  |  |
Business acquisitions, net of cash acquired |  |  |  |  | (74)
Capital expenditures |  |  |  | (238) | (215)
Other, net |  |  |  | 18 | 72
Net cash used by investing activities |  |  |  | (220) | (217)
Cash flows from financing activities: |  |  |  |  |
Proceeds from notes |  |  |  |  | 0
Proceeds from commercial paper, net |  |  |  | 0 | 0
Dividends paid |  |  |  | 0 | 0
Repayment of CSRA accounts receivable purchase agreement |  |  |  |  | 0
Purchases of common stock |  |  |  | 0 | 0
Other, net |  |  |  | 0 | 0
Net cash provided by financing activities |  |  |  | 0 | 0
Net cash used by discontinued operations |  |  |  | 0 | 0
Cash sweep/funding by parent |  |  |  | 54 | (251)
Net decrease in cash and equivalents |  |  |  | 0 | 0
Cash and equivalents at beginning of period |  |  |  | 0 | 0
Cash and equivalents at end of period |  | 0 | 0 | 0 | 0
Guarantor Subsidiaries | Floating-rate notes |  |  |  |  |
Cash flows from financing activities: |  |  |  |  |
Proceeds from notes |  |  |  |  | 0
Non-Guarantor Subsidiaries |  |  |  |  |
Condensed Financial Statements [Line Items] |  |  |  |  |
Net cash (used) provided by operating activities | [1] |  |  | (734) | (218)
Cash flows from investing activities: |  |  |  |  |
Business acquisitions, net of cash acquired |  |  |  |  | (216)
Capital expenditures |  |  |  | (97) | (42)
Other, net |  |  |  | (24) | 0
Net cash used by investing activities |  |  |  | (121) | (258)
Cash flows from financing activities: |  |  |  |  |
Proceeds from notes |  |  |  |  | 0
Proceeds from commercial paper, net |  |  |  | 0 | 0
Dividends paid |  |  |  | 0 | 0
Repayment of CSRA accounts receivable purchase agreement |  |  |  |  | (450)
Purchases of common stock |  |  |  | 0 | 0
Other, net |  |  |  | 49 | 48
Net cash provided by financing activities |  |  |  | 49 | (402)
Net cash used by discontinued operations |  |  |  | 0 | 0
Cash sweep/funding by parent |  |  |  | 762 | 358
Net decrease in cash and equivalents |  |  |  | (44) | (520)
Cash and equivalents at beginning of period |  |  |  | 503 | 1,053
Cash and equivalents at end of period |  | $ 459 | $ 533 | $ 459 | 533
Non-Guarantor Subsidiaries | Floating-rate notes |  |  |  |  |
Cash flows from financing activities: |  |  |  |  |
Proceeds from notes |  |  |  |  | $ 0
[1] | * Continuing operations only

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